7242942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 16637184

約数和(自身を除く): 9394242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 521, 662, 993, 1042, 1563, 1986, 2317, 3126, 3647, 4634, 6951, 7294, 10941, 13902, 21882, 172451, 344902, 517353, 1034706, 1207157, 2414314, 3621471, 7242942]

約数ペア:

[(1, 7242942), (2, 3621471), (3, 2414314), (6, 1207157), (7, 1034706), (14, 517353), (21, 344902), (42, 172451), (331, 21882), (521, 13902), (662, 10941), (993, 7294), (1042, 6951), (1563, 4634), (1986, 3647), (2317, 3126)]