256408088

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{405709}}^1$

素因数の和:405794

約数の個数: 16

約数和(自身を含む): 486852000

約数和(自身を除く): 230443912

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 405709, 811418, 1622836, 3245672, 32051011, 64102022, 128204044, 256408088]

約数ペア:

[(1, 256408088), (2, 128204044), (4, 64102022), (8, 32051011), (79, 3245672), (158, 1622836), (316, 811418), (632, 405709)]