64778686

素因数分解:

$2^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1997}}^1$

素因数の和:2344

約数の個数: 24

約数和(自身を含む): 113430456

約数和(自身を除く): 48651770

約数列:

[1, 2, 7, 14, 49, 98, 331, 662, 1997, 2317, 3994, 4634, 13979, 16219, 27958, 32438, 97853, 195706, 661007, 1322014, 4627049, 9254098, 32389343, 64778686]

約数ペア:

[(1, 64778686), (2, 32389343), (7, 9254098), (14, 4627049), (49, 1322014), (98, 661007), (331, 195706), (662, 97853), (1997, 32438), (2317, 27958), (3994, 16219), (4634, 13979)]