68640268

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 121998240

約数和(自身を除く): 53357972

約数列:

[1, 2, 4, 113, 181, 226, 362, 452, 724, 839, 1678, 3356, 20453, 40906, 81812, 94807, 151859, 189614, 303718, 379228, 607436, 17160067, 34320134, 68640268]

約数ペア:

[(1, 68640268), (2, 34320134), (4, 17160067), (113, 607436), (181, 379228), (226, 303718), (362, 189614), (452, 151859), (724, 94807), (839, 81812), (1678, 40906), (3356, 20453)]