81186868

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32579}}^1$

素因数の和:32679

約数の個数: 24

約数和(自身を含む): 164203200

約数和(自身を除く): 83016332

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32579, 65158, 130316, 228053, 456106, 912212, 2899531, 5799062, 11598124, 20296717, 40593434, 81186868]

約数ペア:

[(1, 81186868), (2, 40593434), (4, 20296717), (7, 11598124), (14, 5799062), (28, 2899531), (89, 912212), (178, 456106), (356, 228053), (623, 130316), (1246, 65158), (2492, 32579)]