256213428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{520759}}^1$

素因数の和:520807

約数の個数: 24

約数和(自身を含む): 612413760

約数和(自身を除く): 356200332

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 520759, 1041518, 1562277, 2083036, 3124554, 6249108, 21351119, 42702238, 64053357, 85404476, 128106714, 256213428]

約数ペア:

[(1, 256213428), (2, 128106714), (3, 85404476), (4, 64053357), (6, 42702238), (12, 21351119), (41, 6249108), (82, 3124554), (123, 2083036), (164, 1562277), (246, 1041518), (492, 520759)]