12881362945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{21291509}}^1$

素因数の和:21291536

約数の個数: 12

約数和(自身を含む): 16990624980

約数和(自身を除く): 4109262035

約数列:

[1, 5, 11, 55, 121, 605, 21291509, 106457545, 234206599, 1171032995, 2576272589, 12881362945]

約数ペア:

[(1, 12881362945), (5, 2576272589), (11, 1171032995), (55, 234206599), (121, 106457545), (605, 21291509)]