991223616

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 224

約数和(自身を含む): 2896819200

約数和(自身を除く): 1905595584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 64, 71, 76, 86, 89, 96, 114, 129, 142, 152, 172, 178, 192, 213, 228, 258, 267, 284, 304, 344, 356, 426, 456, 516, 534, 568, 608, 688, 712, 817, 852, 912, 1032, 1068, 1136, 1216, 1349, 1376, 1424, 1634, 1691, 1704, 1824, 2064, 2136, 2272, 2451, 2698, 2752, 2848, 3053, 3268, 3382, 3408, 3648, 3827, 4047, 4128, 4272, 4544, 4902, 5073, 5396, 5696, 6106, 6319, 6536, 6764, 6816, 7654, 8094, 8256, 8544, 9159, 9804, 10146, 10792, 11481, 12212, 12638, 13072, 13528, 13632, 15308, 16188, 17088, 18318, 18957, 19608, 20292, 21584, 22962, 24424, 25276, 26144, 27056, 30616, 32376, 36636, 37914, 39216, 40584, 43168, 45924, 48848, 50552, 52288, 54112, 58007, 61232, 64752, 72713, 73272, 75828, 78432, 81168, 86336, 91848, 97696, 101104, 108224, 116014, 120061, 122464, 129504, 145426, 146544, 151656, 156864, 162336, 174021, 183696, 195392, 202208, 218139, 232028, 240122, 244928, 259008, 271717, 290852, 293088, 303312, 324672, 348042, 360183, 367392, 404416, 436278, 464056, 480244, 543434, 581704, 586176, 606624, 696084, 720366, 734784, 815151, 872556, 928112, 960488, 1086868, 1163408, 1213248, 1392168, 1440732, 1630302, 1745112, 1856224, 1920976, 2173736, 2326816, 2784336, 2881464, 3260604, 3490224, 3712448, 3841952, 4347472, 4653632, 5162623, 5568672, 5762928, 6521208, 6980448, 7683904, 8694944, 10325246, 11137344, 11525856, 13042416, 13960896, 15487869, 17389888, 20650492, 23051712, 26084832, 30975738, 41300984, 52169664, 61951476, 82601968, 123902952, 165203936, 247805904, 330407872, 495611808, 991223616]

約数ペア:

[(1, 991223616), (2, 495611808), (3, 330407872), (4, 247805904), (6, 165203936), (8, 123902952), (12, 82601968), (16, 61951476), (19, 52169664), (24, 41300984), (32, 30975738), (38, 26084832), (43, 23051712), (48, 20650492), (57, 17389888), (64, 15487869), (71, 13960896), (76, 13042416), (86, 11525856), (89, 11137344), (96, 10325246), (114, 8694944), (129, 7683904), (142, 6980448), (152, 6521208), (172, 5762928), (178, 5568672), (192, 5162623), (213, 4653632), (228, 4347472), (258, 3841952), (267, 3712448), (284, 3490224), (304, 3260604), (344, 2881464), (356, 2784336), (426, 2326816), (456, 2173736), (516, 1920976), (534, 1856224), (568, 1745112), (608, 1630302), (688, 1440732), (712, 1392168), (817, 1213248), (852, 1163408), (912, 1086868), (1032, 960488), (1068, 928112), (1136, 872556), (1216, 815151), (1349, 734784), (1376, 720366), (1424, 696084), (1634, 606624), (1691, 586176), (1704, 581704), (1824, 543434), (2064, 480244), (2136, 464056), (2272, 436278), (2451, 404416), (2698, 367392), (2752, 360183), (2848, 348042), (3053, 324672), (3268, 303312), (3382, 293088), (3408, 290852), (3648, 271717), (3827, 259008), (4047, 244928), (4128, 240122), (4272, 232028), (4544, 218139), (4902, 202208), (5073, 195392), (5396, 183696), (5696, 174021), (6106, 162336), (6319, 156864), (6536, 151656), (6764, 146544), (6816, 145426), (7654, 129504), (8094, 122464), (8256, 120061), (8544, 116014), (9159, 108224), (9804, 101104), (10146, 97696), (10792, 91848), (11481, 86336), (12212, 81168), (12638, 78432), (13072, 75828), (13528, 73272), (13632, 72713), (15308, 64752), (16188, 61232), (17088, 58007), (18318, 54112), (18957, 52288), (19608, 50552), (20292, 48848), (21584, 45924), (22962, 43168), (24424, 40584), (25276, 39216), (26144, 37914), (27056, 36636), (30616, 32376)]