491991552

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 240

約数和(自身を含む): 1572899328

約数和(自身を除く): 1080907776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 128, 129, 144, 156, 172, 191, 192, 208, 234, 256, 258, 288, 312, 344, 382, 384, 387, 416, 468, 512, 516, 559, 573, 576, 624, 688, 764, 768, 774, 832, 936, 1032, 1118, 1146, 1152, 1248, 1376, 1528, 1536, 1548, 1664, 1677, 1719, 1872, 2064, 2236, 2292, 2304, 2483, 2496, 2752, 3056, 3096, 3328, 3354, 3438, 3744, 4128, 4472, 4584, 4608, 4966, 4992, 5031, 5504, 6112, 6192, 6656, 6708, 6876, 7449, 7488, 8213, 8256, 8944, 9168, 9932, 9984, 10062, 11008, 12224, 12384, 13416, 13752, 14898, 14976, 16426, 16512, 17888, 18336, 19864, 19968, 20124, 22016, 22347, 24448, 24639, 24768, 26832, 27504, 29796, 29952, 32852, 33024, 35776, 36672, 39728, 40248, 44694, 48896, 49278, 49536, 53664, 55008, 59592, 59904, 65704, 66048, 71552, 73344, 73917, 79456, 80496, 89388, 97792, 98556, 99072, 106769, 107328, 110016, 119184, 131408, 143104, 146688, 147834, 158912, 160992, 178776, 197112, 198144, 213538, 214656, 220032, 238368, 262816, 286208, 293376, 295668, 317824, 320307, 321984, 357552, 394224, 427076, 429312, 440064, 476736, 525632, 591336, 635648, 640614, 643968, 715104, 788448, 854152, 858624, 880128, 953472, 960921, 1051264, 1182672, 1271296, 1281228, 1287936, 1430208, 1576896, 1708304, 1906944, 1921842, 2102528, 2365344, 2562456, 2575872, 2860416, 3153792, 3416608, 3813888, 3843684, 4205056, 4730688, 5124912, 5720832, 6307584, 6833216, 7687368, 9461376, 10249824, 11441664, 12615168, 13666432, 15374736, 18922752, 20499648, 27332864, 30749472, 37845504, 40999296, 54665728, 61498944, 81998592, 122997888, 163997184, 245995776, 491991552]

約数ペア:

[(1, 491991552), (2, 245995776), (3, 163997184), (4, 122997888), (6, 81998592), (8, 61498944), (9, 54665728), (12, 40999296), (13, 37845504), (16, 30749472), (18, 27332864), (24, 20499648), (26, 18922752), (32, 15374736), (36, 13666432), (39, 12615168), (43, 11441664), (48, 10249824), (52, 9461376), (64, 7687368), (72, 6833216), (78, 6307584), (86, 5720832), (96, 5124912), (104, 4730688), (117, 4205056), (128, 3843684), (129, 3813888), (144, 3416608), (156, 3153792), (172, 2860416), (191, 2575872), (192, 2562456), (208, 2365344), (234, 2102528), (256, 1921842), (258, 1906944), (288, 1708304), (312, 1576896), (344, 1430208), (382, 1287936), (384, 1281228), (387, 1271296), (416, 1182672), (468, 1051264), (512, 960921), (516, 953472), (559, 880128), (573, 858624), (576, 854152), (624, 788448), (688, 715104), (764, 643968), (768, 640614), (774, 635648), (832, 591336), (936, 525632), (1032, 476736), (1118, 440064), (1146, 429312), (1152, 427076), (1248, 394224), (1376, 357552), (1528, 321984), (1536, 320307), (1548, 317824), (1664, 295668), (1677, 293376), (1719, 286208), (1872, 262816), (2064, 238368), (2236, 220032), (2292, 214656), (2304, 213538), (2483, 198144), (2496, 197112), (2752, 178776), (3056, 160992), (3096, 158912), (3328, 147834), (3354, 146688), (3438, 143104), (3744, 131408), (4128, 119184), (4472, 110016), (4584, 107328), (4608, 106769), (4966, 99072), (4992, 98556), (5031, 97792), (5504, 89388), (6112, 80496), (6192, 79456), (6656, 73917), (6708, 73344), (6876, 71552), (7449, 66048), (7488, 65704), (8213, 59904), (8256, 59592), (8944, 55008), (9168, 53664), (9932, 49536), (9984, 49278), (10062, 48896), (11008, 44694), (12224, 40248), (12384, 39728), (13416, 36672), (13752, 35776), (14898, 33024), (14976, 32852), (16426, 29952), (16512, 29796), (17888, 27504), (18336, 26832), (19864, 24768), (19968, 24639), (20124, 24448), (22016, 22347)]