90009988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{7187}}^1$

素因数の和:7323

約数の個数: 24

約数和(自身を含む): 164231424

約数和(自身を除く): 74221436

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 3131, 6262, 7187, 12524, 14374, 28748, 222797, 445594, 725887, 891188, 1451774, 2903548, 22502497, 45004994, 90009988]

約数ペア:

[(1, 90009988), (2, 45004994), (4, 22502497), (31, 2903548), (62, 1451774), (101, 891188), (124, 725887), (202, 445594), (404, 222797), (3131, 28748), (6262, 14374), (7187, 12524)]