256215984

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{73121}}^1$

素因数の和:73205

約数の個数: 40

約数和(自身を含む): 670967472

約数和(自身を除く): 414751488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 438, 584, 876, 1168, 1752, 3504, 73121, 146242, 219363, 292484, 438726, 584968, 877452, 1169936, 1754904, 3509808, 5337833, 10675666, 16013499, 21351332, 32026998, 42702664, 64053996, 85405328, 128107992, 256215984]

約数ペア:

[(1, 256215984), (2, 128107992), (3, 85405328), (4, 64053996), (6, 42702664), (8, 32026998), (12, 21351332), (16, 16013499), (24, 10675666), (48, 5337833), (73, 3509808), (146, 1754904), (219, 1169936), (292, 877452), (438, 584968), (584, 438726), (876, 292484), (1168, 219363), (1752, 146242), (3504, 73121)]