1640676862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1222561}}^1$

素因数の和:1222635

約数の個数: 16

約数和(自身を含む): 2728758384

約数和(自身を除く): 1088081522

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 1222561, 2445122, 13448171, 26896342, 74576221, 149152442, 820338431, 1640676862]

約数ペア:

[(1, 1640676862), (2, 820338431), (11, 149152442), (22, 74576221), (61, 26896342), (122, 13448171), (671, 2445122), (1342, 1222561)]