65640812

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{11987}}^1$

素因数の和:12065

約数の個数: 18

約数和(自身を含む): 118069812

約数和(自身を除く): 52429000

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 11987, 23974, 47948, 443519, 887038, 1774076, 16410203, 32820406, 65640812]

約数ペア:

[(1, 65640812), (2, 32820406), (4, 16410203), (37, 1774076), (74, 887038), (148, 443519), (1369, 47948), (2738, 23974), (5476, 11987)]