261939652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{122861}}^1$

素因数の和:122919

約数の個数: 24

約数和(自身を含む): 505699992

約数和(自身を除く): 243760340

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 122861, 245722, 491444, 1597193, 3194386, 5037301, 6388772, 10074602, 20149204, 65484913, 130969826, 261939652]

約数ペア:

[(1, 261939652), (2, 130969826), (4, 65484913), (13, 20149204), (26, 10074602), (41, 6388772), (52, 5037301), (82, 3194386), (164, 1597193), (533, 491444), (1066, 245722), (2132, 122861)]