12982990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 24219360

約数和(自身を除く): 11236370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 277, 430, 545, 554, 1090, 1385, 2770, 4687, 9374, 11911, 23435, 23822, 30193, 46870, 59555, 60386, 119110, 150965, 301930, 1298299, 2596598, 6491495, 12982990]

約数ペア:

[(1, 12982990), (2, 6491495), (5, 2596598), (10, 1298299), (43, 301930), (86, 150965), (109, 119110), (215, 60386), (218, 59555), (277, 46870), (430, 30193), (545, 23822), (554, 23435), (1090, 11911), (1385, 9374), (2770, 4687)]