650943215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{2477}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 848903328

約数和(自身を除く): 197960113

約数列:

[1, 5, 13, 65, 169, 311, 845, 1555, 2477, 4043, 12385, 20215, 32201, 52559, 161005, 262795, 418613, 770347, 2093065, 3851735, 10014511, 50072555, 130188643, 650943215]

約数ペア:

[(1, 650943215), (5, 130188643), (13, 50072555), (65, 10014511), (169, 3851735), (311, 2093065), (845, 770347), (1555, 418613), (2477, 262795), (4043, 161005), (12385, 52559), (20215, 32201)]