1331935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 1776672

約数和(自身を除く): 444737

約数列:

[1, 5, 11, 55, 61, 305, 397, 671, 1985, 3355, 4367, 21835, 24217, 121085, 266387, 1331935]

約数ペア:

[(1, 1331935), (5, 266387), (11, 121085), (55, 24217), (61, 21835), (305, 4367), (397, 3355), (671, 1985)]