256670404

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{409}}^1\times {\mathrm{1039}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 453689600

約数和(自身を除く): 197019196

約数列:

[1, 2, 4, 151, 302, 409, 604, 818, 1039, 1636, 2078, 4156, 61759, 123518, 156889, 247036, 313778, 424951, 627556, 849902, 1699804, 64167601, 128335202, 256670404]

約数ペア:

[(1, 256670404), (2, 128335202), (4, 64167601), (151, 1699804), (302, 849902), (409, 627556), (604, 424951), (818, 313778), (1039, 247036), (1636, 156889), (2078, 123518), (4156, 61759)]