256220155

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1\times {\mathrm{1033}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 311192640

約数和(自身を除く): 54972485

約数列:

[1, 5, 113, 439, 565, 1033, 2195, 5165, 49607, 116729, 248035, 453487, 583645, 2267435, 51244031, 256220155]

約数ペア:

[(1, 256220155), (5, 51244031), (113, 2267435), (439, 583645), (565, 453487), (1033, 248035), (2195, 116729), (5165, 49607)]