8643890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5303}}^1$

素因数の和:5473

約数の個数: 16

約数和(自身を含む): 15657408

約数和(自身を除く): 7013518

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 5303, 10606, 26515, 53030, 864389, 1728778, 4321945, 8643890]

約数ペア:

[(1, 8643890), (2, 4321945), (5, 1728778), (10, 864389), (163, 53030), (326, 26515), (815, 10606), (1630, 5303)]