2591497291208

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1\times {\mathrm{667129}}^1$

素因数の和:668190

約数の個数: 64

約数和(自身を含む): 5637195129600

約数和(自身を除く): 3045697838392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 977, 994, 1954, 1988, 3908, 3976, 6839, 7816, 13678, 27356, 54712, 69367, 138734, 277468, 485569, 554936, 667129, 971138, 1334258, 1942276, 2668516, 3884552, 4669903, 5337032, 9339806, 18679612, 37359224, 47366159, 94732318, 189464636, 331563113, 378929272, 651785033, 663126226, 1303570066, 1326252452, 2607140132, 2652504904, 4562495231, 5214280264, 9124990462, 18249980924, 36499961848, 46276737343, 92553474686, 185106949372, 323937161401, 370213898744, 647874322802, 1295748645604, 2591497291208]

約数ペア:

[(1, 2591497291208), (2, 1295748645604), (4, 647874322802), (7, 370213898744), (8, 323937161401), (14, 185106949372), (28, 92553474686), (56, 46276737343), (71, 36499961848), (142, 18249980924), (284, 9124990462), (497, 5214280264), (568, 4562495231), (977, 2652504904), (994, 2607140132), (1954, 1326252452), (1988, 1303570066), (3908, 663126226), (3976, 651785033), (6839, 378929272), (7816, 331563113), (13678, 189464636), (27356, 94732318), (54712, 47366159), (69367, 37359224), (138734, 18679612), (277468, 9339806), (485569, 5337032), (554936, 4669903), (667129, 3884552), (971138, 2668516), (1334258, 1942276)]