68471080912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{329187889}}^1$

素因数の和:329187910

約数の個数: 20

約数和(自身を含む): 142867544260

約数和(自身を除く): 74396463348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 329187889, 658375778, 1316751556, 2633503112, 4279442557, 5267006224, 8558885114, 17117770228, 34235540456, 68471080912]

約数ペア:

[(1, 68471080912), (2, 34235540456), (4, 17117770228), (8, 8558885114), (13, 5267006224), (16, 4279442557), (26, 2633503112), (52, 1316751556), (104, 658375778), (208, 329187889)]