640377215

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{4993}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 778824288

約数和(自身を除く): 138447073

約数列:

[1, 5, 113, 227, 565, 1135, 4993, 24965, 25651, 128255, 564209, 1133411, 2821045, 5667055, 128075443, 640377215]

約数ペア:

[(1, 640377215), (5, 128075443), (113, 5667055), (227, 2821045), (565, 1133411), (1135, 564209), (4993, 128255), (24965, 25651)]