257794968

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 659599200

約数和(自身を除く): 401804232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 389, 424, 521, 636, 778, 1042, 1167, 1272, 1556, 1563, 2084, 2334, 3112, 3126, 4168, 4668, 6252, 9336, 12504, 20617, 27613, 41234, 55226, 61851, 82468, 82839, 110452, 123702, 164936, 165678, 202669, 220904, 247404, 331356, 405338, 494808, 608007, 662712, 810676, 1216014, 1621352, 2432028, 4864056, 10741457, 21482914, 32224371, 42965828, 64448742, 85931656, 128897484, 257794968]

約数ペア:

[(1, 257794968), (2, 128897484), (3, 85931656), (4, 64448742), (6, 42965828), (8, 32224371), (12, 21482914), (24, 10741457), (53, 4864056), (106, 2432028), (159, 1621352), (212, 1216014), (318, 810676), (389, 662712), (424, 608007), (521, 494808), (636, 405338), (778, 331356), (1042, 247404), (1167, 220904), (1272, 202669), (1556, 165678), (1563, 164936), (2084, 123702), (2334, 110452), (3112, 82839), (3126, 82468), (4168, 61851), (4668, 55226), (6252, 41234), (9336, 27613), (12504, 20617)]