1291266145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{536909}}^1$

素因数の和:536964

約数の個数: 16

約数和(自身を含む): 1713816720

約数和(自身を除く): 422550575

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 536909, 2684545, 6979817, 19865633, 34899085, 99328165, 258253229, 1291266145]

約数ペア:

[(1, 1291266145), (5, 258253229), (13, 99328165), (37, 34899085), (65, 19865633), (185, 6979817), (481, 2684545), (2405, 536909)]