90840164

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2341}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 162300600

約数和(自身を除く): 71460436

約数列:

[1, 2, 4, 89, 109, 178, 218, 356, 436, 2341, 4682, 9364, 9701, 19402, 38804, 208349, 255169, 416698, 510338, 833396, 1020676, 22710041, 45420082, 90840164]

約数ペア:

[(1, 90840164), (2, 45420082), (4, 22710041), (89, 1020676), (109, 833396), (178, 510338), (218, 416698), (356, 255169), (436, 208349), (2341, 38804), (4682, 19402), (9364, 9701)]