78765676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{162739}}^1$

素因数の和:162765

約数の個数: 18

約数和(自身を含む): 151510940

約数和(自身を除く): 72745264

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 162739, 325478, 650956, 1790129, 3580258, 7160516, 19691419, 39382838, 78765676]

約数ペア:

[(1, 78765676), (2, 39382838), (4, 19691419), (11, 7160516), (22, 3580258), (44, 1790129), (121, 650956), (242, 325478), (484, 162739)]