664841328

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{261337}}^1$

素因数の和:261401

約数の個数: 40

約数和(自身を含む): 1749919248

約数和(自身を除く): 1085077920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 261337, 522674, 784011, 1045348, 1568022, 2090696, 3136044, 4181392, 6272088, 12544176, 13850861, 27701722, 41552583, 55403444, 83105166, 110806888, 166210332, 221613776, 332420664, 664841328]

約数ペア:

[(1, 664841328), (2, 332420664), (3, 221613776), (4, 166210332), (6, 110806888), (8, 83105166), (12, 55403444), (16, 41552583), (24, 27701722), (48, 13850861), (53, 12544176), (106, 6272088), (159, 4181392), (212, 3136044), (318, 2090696), (424, 1568022), (636, 1045348), (848, 784011), (1272, 522674), (2544, 261337)]