201481825

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 255762648

約数和(自身を除く): 54280823

約数列:

[1, 5, 25, 73, 113, 365, 565, 977, 1825, 2825, 4885, 8249, 24425, 41245, 71321, 110401, 206225, 356605, 552005, 1783025, 2760025, 8059273, 40296365, 201481825]

約数ペア:

[(1, 201481825), (5, 40296365), (25, 8059273), (73, 2760025), (113, 1783025), (365, 552005), (565, 356605), (977, 206225), (1825, 110401), (2825, 71321), (4885, 41245), (8249, 24425)]