221458484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{11863}}^1$

素因数の和:12239

約数の個数: 24

約数和(自身を含む): 418561920

約数和(自身を除く): 197103436

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1436, 4667, 9334, 11863, 18668, 23726, 47452, 154219, 308438, 616876, 4258817, 8517634, 17035268, 55364621, 110729242, 221458484]

約数ペア:

[(1, 221458484), (2, 110729242), (4, 55364621), (13, 17035268), (26, 8517634), (52, 4258817), (359, 616876), (718, 308438), (1436, 154219), (4667, 47452), (9334, 23726), (11863, 18668)]