90918988

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 161421120

約数和(自身を除く): 70502132

約数列:

[1, 2, 4, 101, 202, 313, 404, 626, 719, 1252, 1438, 2876, 31613, 63226, 72619, 126452, 145238, 225047, 290476, 450094, 900188, 22729747, 45459494, 90918988]

約数ペア:

[(1, 90918988), (2, 45459494), (4, 22729747), (101, 900188), (202, 450094), (313, 290476), (404, 225047), (626, 145238), (719, 126452), (1252, 72619), (1438, 63226), (2876, 31613)]