90290431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 117135360

約数和(自身を除く): 26844929

約数列:

[1, 7, 11, 47, 61, 77, 329, 409, 427, 517, 671, 2863, 2867, 3619, 4499, 4697, 19223, 20069, 24949, 31493, 31537, 134561, 174643, 211453, 220759, 274439, 1172603, 1480171, 1921073, 8208221, 12898633, 90290431]

約数ペア:

[(1, 90290431), (7, 12898633), (11, 8208221), (47, 1921073), (61, 1480171), (77, 1172603), (329, 274439), (409, 220759), (427, 211453), (517, 174643), (671, 134561), (2863, 31537), (2867, 31493), (3619, 24949), (4499, 20069), (4697, 19223)]