78020884

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 138553128

約数和(自身を除く): 60532244

約数列:

[1, 2, 4, 101, 202, 313, 404, 617, 626, 1234, 1252, 2468, 31613, 62317, 63226, 124634, 126452, 193121, 249268, 386242, 772484, 19505221, 39010442, 78020884]

約数ペア:

[(1, 78020884), (2, 39010442), (4, 19505221), (101, 772484), (202, 386242), (313, 249268), (404, 193121), (617, 126452), (626, 124634), (1234, 63226), (1252, 62317), (2468, 31613)]