66560819

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 18

約数和(自身を含む): 76137516

約数和(自身を除く): 9576697

約数列:

[1, 13, 19, 169, 247, 361, 1091, 3211, 4693, 14183, 20729, 61009, 184379, 269477, 393851, 3503201, 5120063, 66560819]

約数ペア:

[(1, 66560819), (13, 5120063), (19, 3503201), (169, 393851), (247, 269477), (361, 184379), (1091, 61009), (3211, 20729), (4693, 14183)]