156970991525

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{220907}}^1$

素因数の和:221621

約数の個数: 24

約数和(自身を含む): 199472854944

約数和(自身を除く): 42501863419

約数列:

[1, 5, 25, 43, 215, 661, 1075, 3305, 16525, 28423, 142115, 220907, 710575, 1104535, 5522675, 9499001, 47495005, 146019527, 237475025, 730097635, 3650488175, 6278839661, 31394198305, 156970991525]

約数ペア:

[(1, 156970991525), (5, 31394198305), (25, 6278839661), (43, 3650488175), (215, 730097635), (661, 237475025), (1075, 146019527), (3305, 47495005), (16525, 9499001), (28423, 5522675), (142115, 1104535), (220907, 710575)]