78978237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{19661}}^1$

素因数の和:19780

約数の個数: 16

約数和(自身を含む): 114511488

約数和(自身を除く): 35533251

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 19661, 58983, 255593, 766779, 2025083, 6075249, 26326079, 78978237]

約数ペア:

[(1, 78978237), (3, 26326079), (13, 6075249), (39, 2025083), (103, 766779), (309, 255593), (1339, 58983), (4017, 19661)]