215259575

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{701}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 272634336

約数和(自身を除く): 57374761

約数列:

[1, 5, 25, 71, 173, 355, 701, 865, 1775, 3505, 4325, 12283, 17525, 49771, 61415, 121273, 248855, 307075, 606365, 1244275, 3031825, 8610383, 43051915, 215259575]

約数ペア:

[(1, 215259575), (5, 43051915), (25, 8610383), (71, 3031825), (173, 1244275), (355, 606365), (701, 307075), (865, 248855), (1775, 121273), (3505, 61415), (4325, 49771), (12283, 17525)]