31639348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20981}}^1$

素因数の和:21027

約数の個数: 24

約数和(自身を含む): 61687080

約数和(自身を除く): 30047732

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 20981, 41962, 83924, 272753, 545506, 608449, 1091012, 1216898, 2433796, 7909837, 15819674, 31639348]

約数ペア:

[(1, 31639348), (2, 15819674), (4, 7909837), (13, 2433796), (26, 1216898), (29, 1091012), (52, 608449), (58, 545506), (116, 272753), (377, 83924), (754, 41962), (1508, 20981)]