31867810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33450590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 107, 130, 145, 158, 214, 290, 377, 395, 535, 754, 790, 1027, 1070, 1391, 1885, 2054, 2291, 2782, 3103, 3770, 4582, 5135, 6206, 6955, 8453, 10270, 11455, 13910, 15515, 16906, 22910, 29783, 31030, 40339, 42265, 59566, 80678, 84530, 109889, 148915, 201695, 219778, 245137, 297830, 403390, 490274, 549445, 1098890, 1225685, 2451370, 3186781, 6373562, 15933905, 31867810]

約数ペア:

[(1, 31867810), (2, 15933905), (5, 6373562), (10, 3186781), (13, 2451370), (26, 1225685), (29, 1098890), (58, 549445), (65, 490274), (79, 403390), (107, 297830), (130, 245137), (145, 219778), (158, 201695), (214, 148915), (290, 109889), (377, 84530), (395, 80678), (535, 59566), (754, 42265), (790, 40339), (1027, 31030), (1070, 29783), (1391, 22910), (1885, 16906), (2054, 15515), (2291, 13910), (2782, 11455), (3103, 10270), (3770, 8453), (4582, 6955), (5135, 6206)]