81123686

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{53161}}^1$

素因数の和:53279

約数の個数: 16

約数和(自身を含む): 140347680

約数和(自身を除く): 59223994

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 53161, 106322, 372127, 744254, 5794549, 11589098, 40561843, 81123686]

約数ペア:

[(1, 81123686), (2, 40561843), (7, 11589098), (14, 5794549), (109, 744254), (218, 372127), (763, 106322), (1526, 53161)]