398186992

素因数分解:

$2^4\times 7^1\times {\mathrm{3555241}}^1$

素因数の和:3555256

約数の個数: 20

約数和(自身を含む): 881700016

約数和(自身を除く): 483513024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3555241, 7110482, 14220964, 24886687, 28441928, 49773374, 56883856, 99546748, 199093496, 398186992]

約数ペア:

[(1, 398186992), (2, 199093496), (4, 99546748), (7, 56883856), (8, 49773374), (14, 28441928), (16, 24886687), (28, 14220964), (56, 7110482), (112, 3555241)]