513693575

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1553}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 648614736

約数和(自身を除く): 134921161

約数列:

[1, 5, 25, 101, 131, 505, 655, 1553, 2525, 3275, 7765, 13231, 38825, 66155, 156853, 203443, 330775, 784265, 1017215, 3921325, 5086075, 20547743, 102738715, 513693575]

約数ペア:

[(1, 513693575), (5, 102738715), (25, 20547743), (101, 5086075), (131, 3921325), (505, 1017215), (655, 784265), (1553, 330775), (2525, 203443), (3275, 156853), (7765, 66155), (13231, 38825)]