315156908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{18413}}^1$

素因数の和:18817

約数の個数: 24

約数和(自身を含む): 603242640

約数和(自身を除く): 288085732

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 17116, 18413, 36826, 73652, 202543, 405086, 810172, 7162657, 14325314, 28650628, 78789227, 157578454, 315156908]

約数ペア:

[(1, 315156908), (2, 157578454), (4, 78789227), (11, 28650628), (22, 14325314), (44, 7162657), (389, 810172), (778, 405086), (1556, 202543), (4279, 73652), (8558, 36826), (17116, 18413)]