81857704

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{67763}}^1$

素因数の和:67920

約数の個数: 16

約数和(自身を含む): 154501920

約数和(自身を除く): 72644216

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 67763, 135526, 271052, 542104, 10232213, 20464426, 40928852, 81857704]

約数ペア:

[(1, 81857704), (2, 40928852), (4, 20464426), (8, 10232213), (151, 542104), (302, 271052), (604, 135526), (1208, 67763)]