256479864

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8017}}^1$

素因数の和:8100

約数の個数: 64

約数和(自身を含む): 677360640

約数和(自身を除く): 420880776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2666, 3999, 5332, 7998, 8017, 10664, 15996, 16034, 24051, 31992, 32068, 48102, 64136, 96204, 192408, 248527, 344731, 497054, 689462, 745581, 994108, 1034193, 1378924, 1491162, 1988216, 2068386, 2757848, 2982324, 4136772, 5964648, 8273544, 10686661, 21373322, 32059983, 42746644, 64119966, 85493288, 128239932, 256479864]

約数ペア:

[(1, 256479864), (2, 128239932), (3, 85493288), (4, 64119966), (6, 42746644), (8, 32059983), (12, 21373322), (24, 10686661), (31, 8273544), (43, 5964648), (62, 4136772), (86, 2982324), (93, 2757848), (124, 2068386), (129, 1988216), (172, 1491162), (186, 1378924), (248, 1034193), (258, 994108), (344, 745581), (372, 689462), (516, 497054), (744, 344731), (1032, 248527), (1333, 192408), (2666, 96204), (3999, 64136), (5332, 48102), (7998, 32068), (8017, 31992), (10664, 24051), (15996, 16034)]