9907925

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 12800520

約数和(自身を除く): 2892595

約数列:

[1, 5, 25, 61, 73, 89, 305, 365, 445, 1525, 1825, 2225, 4453, 5429, 6497, 22265, 27145, 32485, 111325, 135725, 162425, 396317, 1981585, 9907925]

約数ペア:

[(1, 9907925), (5, 1981585), (25, 396317), (61, 162425), (73, 135725), (89, 111325), (305, 32485), (365, 27145), (445, 22265), (1525, 6497), (1825, 5429), (2225, 4453)]