158293225

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 199953720

約数和(自身を除く): 41660495

約数列:

[1, 5, 25, 113, 137, 409, 565, 685, 2045, 2825, 3425, 10225, 15481, 46217, 56033, 77405, 231085, 280165, 387025, 1155425, 1400825, 6331729, 31658645, 158293225]

約数ペア:

[(1, 158293225), (5, 31658645), (25, 6331729), (113, 1400825), (137, 1155425), (409, 387025), (565, 280165), (685, 231085), (2045, 77405), (2825, 56033), (3425, 46217), (10225, 15481)]