7243340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 36

約数和(自身を含む): 16478784

約数和(自身を除く): 9235444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2143, 3380, 4286, 8572, 10715, 21430, 27859, 42860, 55718, 111436, 139295, 278590, 362167, 557180, 724334, 1448668, 1810835, 3621670, 7243340]

約数ペア:

[(1, 7243340), (2, 3621670), (4, 1810835), (5, 1448668), (10, 724334), (13, 557180), (20, 362167), (26, 278590), (52, 139295), (65, 111436), (130, 55718), (169, 42860), (260, 27859), (338, 21430), (676, 10715), (845, 8572), (1690, 4286), (2143, 3380)]