638469811

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{40883}}^1$

素因数の和:41010

約数の個数: 16

約数和(自身を含む): 769273344

約数和(自身を除く): 130803533

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 40883, 286181, 940309, 3965651, 6582163, 27759557, 91209973, 638469811]

約数ペア:

[(1, 638469811), (7, 91209973), (23, 27759557), (97, 6582163), (161, 3965651), (679, 940309), (2231, 286181), (15617, 40883)]