80491378

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{2539}}^1$

素因数の和:2694

約数の個数: 24

約数和(自身を含む): 133776720

約数和(自身を除く): 53285342

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 1441, 2539, 2882, 5078, 15851, 27929, 31702, 55858, 307219, 332609, 614438, 665218, 3658699, 7317398, 40245689, 80491378]

約数ペア:

[(1, 80491378), (2, 40245689), (11, 7317398), (22, 3658699), (121, 665218), (131, 614438), (242, 332609), (262, 307219), (1441, 55858), (2539, 31702), (2882, 27929), (5078, 15851)]