213122686

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139661}}^1$

素因数の和:139779

約数の個数: 16

約数和(自身を含む): 368707680

約数和(自身を除く): 155584994

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 139661, 279322, 977627, 1955254, 15223049, 30446098, 106561343, 213122686]

約数ペア:

[(1, 213122686), (2, 106561343), (7, 30446098), (14, 15223049), (109, 1955254), (218, 977627), (763, 279322), (1526, 139661)]