396804942

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{310489}}^1$

素因数の和:310568

約数の個数: 24

約数和(自身を含む): 871855920

約数和(自身を除く): 475050978

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 310489, 620978, 931467, 1862934, 2794401, 5588802, 22044719, 44089438, 66134157, 132268314, 198402471, 396804942]

約数ペア:

[(1, 396804942), (2, 198402471), (3, 132268314), (6, 66134157), (9, 44089438), (18, 22044719), (71, 5588802), (142, 2794401), (213, 1862934), (426, 931467), (639, 620978), (1278, 310489)]