81907564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{4111}}^1$

素因数の和:4425

約数の個数: 24

約数和(自身を含む): 152324928

約数和(自身を除く): 70417364

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 1172, 4111, 4981, 8222, 9962, 16444, 19924, 69887, 139774, 279548, 1204523, 2409046, 4818092, 20476891, 40953782, 81907564]

約数ペア:

[(1, 81907564), (2, 40953782), (4, 20476891), (17, 4818092), (34, 2409046), (68, 1204523), (293, 279548), (586, 139774), (1172, 69887), (4111, 19924), (4981, 16444), (8222, 9962)]