80781652

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22717}}^1$

素因数の和:22855

約数の個数: 24

約数和(自身を含む): 162842624

約数和(自身を除く): 82060972

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 22717, 45434, 90868, 159019, 318038, 636076, 2885059, 5770118, 11540236, 20195413, 40390826, 80781652]

約数ペア:

[(1, 80781652), (2, 40390826), (4, 20195413), (7, 11540236), (14, 5770118), (28, 2885059), (127, 636076), (254, 318038), (508, 159019), (889, 90868), (1778, 45434), (3556, 22717)]