81389710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478763}}^1$

素因数の和:478787

約数の個数: 16

約数和(自身を含む): 155119536

約数和(自身を除く): 73729826

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478763, 957526, 2393815, 4787630, 8138971, 16277942, 40694855, 81389710]

約数ペア:

[(1, 81389710), (2, 40694855), (5, 16277942), (10, 8138971), (17, 4787630), (34, 2393815), (85, 957526), (170, 478763)]