209127974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{94117}}^1$

素因数の和:94231

約数の個数: 16

約数和(自身を含む): 345601296

約数和(自身を除く): 136473322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 94117, 188234, 1035287, 2070574, 9505817, 19011634, 104563987, 209127974]

約数ペア:

[(1, 209127974), (2, 104563987), (11, 19011634), (22, 9505817), (101, 2070574), (202, 1035287), (1111, 188234), (2222, 94117)]