66818381

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{24413}}^1$

素因数の和:24460

約数の個数: 16

約数和(自身を含む): 84374784

約数和(自身を除く): 17556403

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 24413, 170891, 415021, 561499, 2905147, 3930493, 9545483, 66818381]

約数ペア:

[(1, 66818381), (7, 9545483), (17, 3930493), (23, 2905147), (119, 561499), (161, 415021), (391, 170891), (2737, 24413)]