30980554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{32749}}^1$

素因数の和:32805

約数の個数: 16

約数和(自身を含む): 51876000

約数和(自身を除く): 20895446

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 32749, 65498, 360239, 720478, 1408207, 2816414, 15490277, 30980554]

約数ペア:

[(1, 30980554), (2, 15490277), (11, 2816414), (22, 1408207), (43, 720478), (86, 360239), (473, 65498), (946, 32749)]