253215874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 402361344

約数和(自身を除く): 149145470

約数列:

[1, 2, 31, 53, 62, 106, 263, 293, 526, 586, 1643, 3286, 8153, 9083, 13939, 15529, 16306, 18166, 27878, 31058, 77059, 154118, 432109, 481399, 864218, 962798, 2388829, 4084127, 4777658, 8168254, 126607937, 253215874]

約数ペア:

[(1, 253215874), (2, 126607937), (31, 8168254), (53, 4777658), (62, 4084127), (106, 2388829), (263, 962798), (293, 864218), (526, 481399), (586, 432109), (1643, 154118), (3286, 77059), (8153, 31058), (9083, 27878), (13939, 18166), (15529, 16306)]