87798205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{145121}}^1$

素因数の和:145148

約数の個数: 12

約数和(自身を含む): 115807356

約数和(自身を除く): 28009151

約数列:

[1, 5, 11, 55, 121, 605, 145121, 725605, 1596331, 7981655, 17559641, 87798205]

約数ペア:

[(1, 87798205), (5, 17559641), (11, 7981655), (55, 1596331), (121, 725605), (605, 145121)]