128693747

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{202031}}^1$

素因数の和:202058

約数の個数: 12

約数和(自身を含む): 161221536

約数和(自身を除く): 32527789

約数列:

[1, 7, 13, 49, 91, 637, 202031, 1414217, 2626403, 9899519, 18384821, 128693747]

約数ペア:

[(1, 128693747), (7, 18384821), (13, 9899519), (49, 2626403), (91, 1414217), (637, 202031)]