128425895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{6353}}^1$

素因数の和:6682

約数の個数: 16

約数和(自身を含む): 166525632

約数和(自身を除く): 38099737

約数列:

[1, 5, 13, 65, 311, 1555, 4043, 6353, 20215, 31765, 82589, 412945, 1975783, 9878915, 25685179, 128425895]

約数ペア:

[(1, 128425895), (5, 25685179), (13, 9878915), (65, 1975783), (311, 412945), (1555, 82589), (4043, 31765), (6353, 20215)]