81219655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{14621}}^1$

素因数の和:14738

約数の個数: 16

約数和(自身を含む): 107383968

約数和(自身を除く): 26164313

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 14621, 73105, 160831, 804155, 1476721, 7383605, 16243931, 81219655]

約数ペア:

[(1, 81219655), (5, 16243931), (11, 7383605), (55, 1476721), (101, 804155), (505, 160831), (1111, 73105), (5555, 14621)]