81250990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{477947}}^1$

素因数の和:477971

約数の個数: 16

約数和(自身を含む): 154855152

約数和(自身を除く): 73604162

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 477947, 955894, 2389735, 4779470, 8125099, 16250198, 40625495, 81250990]

約数ペア:

[(1, 81250990), (2, 40625495), (5, 16250198), (10, 8125099), (17, 4779470), (34, 2389735), (85, 955894), (170, 477947)]