256754424

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 654336000

約数和(自身を除く): 397581576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 191, 237, 316, 382, 474, 573, 632, 709, 764, 948, 1146, 1418, 1528, 1896, 2127, 2292, 2836, 4254, 4584, 5672, 8508, 15089, 17016, 30178, 45267, 56011, 60356, 90534, 112022, 120712, 135419, 168033, 181068, 224044, 270838, 336066, 362136, 406257, 448088, 541676, 672132, 812514, 1083352, 1344264, 1625028, 3250056, 10698101, 21396202, 32094303, 42792404, 64188606, 85584808, 128377212, 256754424]

約数ペア:

[(1, 256754424), (2, 128377212), (3, 85584808), (4, 64188606), (6, 42792404), (8, 32094303), (12, 21396202), (24, 10698101), (79, 3250056), (158, 1625028), (191, 1344264), (237, 1083352), (316, 812514), (382, 672132), (474, 541676), (573, 448088), (632, 406257), (709, 362136), (764, 336066), (948, 270838), (1146, 224044), (1418, 181068), (1528, 168033), (1896, 135419), (2127, 120712), (2292, 112022), (2836, 90534), (4254, 60356), (4584, 56011), (5672, 45267), (8508, 30178), (15089, 17016)]