28778904

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72309096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 29, 33, 36, 42, 44, 56, 58, 63, 66, 72, 77, 84, 87, 88, 99, 116, 126, 132, 154, 168, 174, 179, 198, 203, 231, 232, 252, 261, 264, 308, 319, 348, 358, 396, 406, 462, 504, 522, 537, 609, 616, 638, 693, 696, 716, 792, 812, 924, 957, 1044, 1074, 1218, 1253, 1276, 1386, 1432, 1611, 1624, 1827, 1848, 1914, 1969, 2088, 2148, 2233, 2436, 2506, 2552, 2772, 2871, 3222, 3654, 3759, 3828, 3938, 4296, 4466, 4872, 5012, 5191, 5544, 5742, 5907, 6444, 6699, 7308, 7518, 7656, 7876, 8932, 10024, 10382, 11277, 11484, 11814, 12888, 13398, 13783, 14616, 15036, 15573, 15752, 17721, 17864, 20097, 20764, 22554, 22968, 23628, 26796, 27566, 30072, 31146, 35442, 36337, 40194, 41349, 41528, 45108, 46719, 47256, 53592, 55132, 57101, 62292, 70884, 72674, 80388, 82698, 90216, 93438, 109011, 110264, 114202, 124047, 124584, 141768, 145348, 160776, 165396, 171303, 186876, 218022, 228404, 248094, 290696, 327033, 330792, 342606, 373752, 399707, 436044, 456808, 496188, 513909, 654066, 685212, 799414, 872088, 992376, 1027818, 1199121, 1308132, 1370424, 1598828, 2055636, 2398242, 2616264, 3197656, 3597363, 4111272, 4796484, 7194726, 9592968, 14389452, 28778904]

約数ペア:

[(1, 28778904), (2, 14389452), (3, 9592968), (4, 7194726), (6, 4796484), (7, 4111272), (8, 3597363), (9, 3197656), (11, 2616264), (12, 2398242), (14, 2055636), (18, 1598828), (21, 1370424), (22, 1308132), (24, 1199121), (28, 1027818), (29, 992376), (33, 872088), (36, 799414), (42, 685212), (44, 654066), (56, 513909), (58, 496188), (63, 456808), (66, 436044), (72, 399707), (77, 373752), (84, 342606), (87, 330792), (88, 327033), (99, 290696), (116, 248094), (126, 228404), (132, 218022), (154, 186876), (168, 171303), (174, 165396), (179, 160776), (198, 145348), (203, 141768), (231, 124584), (232, 124047), (252, 114202), (261, 110264), (264, 109011), (308, 93438), (319, 90216), (348, 82698), (358, 80388), (396, 72674), (406, 70884), (462, 62292), (504, 57101), (522, 55132), (537, 53592), (609, 47256), (616, 46719), (638, 45108), (693, 41528), (696, 41349), (716, 40194), (792, 36337), (812, 35442), (924, 31146), (957, 30072), (1044, 27566), (1074, 26796), (1218, 23628), (1253, 22968), (1276, 22554), (1386, 20764), (1432, 20097), (1611, 17864), (1624, 17721), (1827, 15752), (1848, 15573), (1914, 15036), (1969, 14616), (2088, 13783), (2148, 13398), (2233, 12888), (2436, 11814), (2506, 11484), (2552, 11277), (2772, 10382), (2871, 10024), (3222, 8932), (3654, 7876), (3759, 7656), (3828, 7518), (3938, 7308), (4296, 6699), (4466, 6444), (4872, 5907), (5012, 5742), (5191, 5544)]