256218965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1\times {\mathrm{2161}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 321290496

約数和(自身を除く): 65071531

約数列:

[1, 5, 23, 115, 1031, 2161, 5155, 10805, 23713, 49703, 118565, 248515, 2227991, 11139955, 51243793, 256218965]

約数ペア:

[(1, 256218965), (5, 51243793), (23, 11139955), (115, 2227991), (1031, 248515), (2161, 118565), (5155, 49703), (10805, 23713)]