6401395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 10321920

約数和(自身を除く): 3920525

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 1279, 5005, 6395, 8953, 14069, 16627, 44765, 70345, 83135, 98483, 116389, 182897, 492415, 581945, 914485, 1280279, 6401395]

約数ペア:

[(1, 6401395), (5, 1280279), (7, 914485), (11, 581945), (13, 492415), (35, 182897), (55, 116389), (65, 98483), (77, 83135), (91, 70345), (143, 44765), (385, 16627), (455, 14069), (715, 8953), (1001, 6395), (1279, 5005)]