31249808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{114889}}^1$

素因数の和:114914

約数の個数: 20

約数和(自身を含む): 64108620

約数和(自身を除く): 32858812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 114889, 229778, 459556, 919112, 1838224, 1953113, 3906226, 7812452, 15624904, 31249808]

約数ペア:

[(1, 31249808), (2, 15624904), (4, 7812452), (8, 3906226), (16, 1953113), (17, 1838224), (34, 919112), (68, 459556), (136, 229778), (272, 114889)]