248839507945

素因数分解:

$5^1\times 7^4\times {\mathrm{20727989}}^1$

素因数の和:20728022

約数の個数: 20

約数和(自身を含む): 348354599940

約数和(自身を除く): 99515091995

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 20727989, 103639945, 145095923, 725479615, 1015671461, 5078357305, 7109700227, 35548501135, 49767901589, 248839507945]

約数ペア:

[(1, 248839507945), (5, 49767901589), (7, 35548501135), (35, 7109700227), (49, 5078357305), (245, 1015671461), (343, 725479615), (1715, 145095923), (2401, 103639945), (12005, 20727989)]