85815862

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3511}}^1$

素因数の和:3636

約数の個数: 24

約数和(自身を含む): 142931376

約数和(自身を除く): 57115514

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3511, 7022, 12221, 24442, 38621, 77242, 354611, 424831, 709222, 849662, 3900721, 7801442, 42907931, 85815862]

約数ペア:

[(1, 85815862), (2, 42907931), (11, 7801442), (22, 3900721), (101, 849662), (121, 709222), (202, 424831), (242, 354611), (1111, 77242), (2222, 38621), (3511, 24442), (7022, 12221)]