39947924

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1621}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 71802696

約数和(自身を除く): 31854772

約数列:

[1, 2, 4, 61, 101, 122, 202, 244, 404, 1621, 3242, 6161, 6484, 12322, 24644, 98881, 163721, 197762, 327442, 395524, 654884, 9986981, 19973962, 39947924]

約数ペア:

[(1, 39947924), (2, 19973962), (4, 9986981), (61, 654884), (101, 395524), (122, 327442), (202, 197762), (244, 163721), (404, 98881), (1621, 24644), (3242, 12322), (6161, 6484)]