399652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 790272

約数和(自身を除く): 390620

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 293, 341, 586, 682, 1172, 1364, 3223, 6446, 9083, 12892, 18166, 36332, 99913, 199826, 399652]

約数ペア:

[(1, 399652), (2, 199826), (4, 99913), (11, 36332), (22, 18166), (31, 12892), (44, 9083), (62, 6446), (124, 3223), (293, 1364), (341, 1172), (586, 682)]