90901745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20921}}^1$

素因数の和:21016

約数の個数: 16

約数和(自身を含む): 120510720

約数和(自身を除く): 29608975

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 20921, 104605, 230131, 1150655, 1652759, 8263795, 18180349, 90901745]

約数ペア:

[(1, 90901745), (5, 18180349), (11, 8263795), (55, 1652759), (79, 1150655), (395, 230131), (869, 104605), (4345, 20921)]