66870815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{8747}}^1$

素因数の和:8902

約数の個数: 16

約数和(自身を含む): 88179840

約数和(自身を除く): 21309025

約数列:

[1, 5, 11, 55, 139, 695, 1529, 7645, 8747, 43735, 96217, 481085, 1215833, 6079165, 13374163, 66870815]

約数ペア:

[(1, 66870815), (5, 13374163), (11, 6079165), (55, 1215833), (139, 481085), (695, 96217), (1529, 43735), (7645, 8747)]