80937668

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32479}}^1$

素因数の和:32579

約数の個数: 24

約数和(自身を含む): 163699200

約数和(自身を除く): 82761532

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32479, 64958, 129916, 227353, 454706, 909412, 2890631, 5781262, 11562524, 20234417, 40468834, 80937668]

約数ペア:

[(1, 80937668), (2, 40468834), (4, 20234417), (7, 11562524), (14, 5781262), (28, 2890631), (89, 909412), (178, 454706), (356, 227353), (623, 129916), (1246, 64958), (2492, 32479)]