397248964

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{329941}}^1$

素因数の和:329995

約数の個数: 24

約数和(自身を含む): 812977088

約数和(自身を除く): 415728124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 329941, 659882, 1319764, 2309587, 4619174, 9238348, 14187463, 28374926, 56749852, 99312241, 198624482, 397248964]

約数ペア:

[(1, 397248964), (2, 198624482), (4, 99312241), (7, 56749852), (14, 28374926), (28, 14187463), (43, 9238348), (86, 4619174), (172, 2309587), (301, 1319764), (602, 659882), (1204, 329941)]