681724888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{385591}}^1$

素因数の和:385627

約数の個数: 32

約数和(自身を含む): 1457537760

約数和(自身を除く): 775812872

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 385591, 771182, 1542364, 3084728, 5012683, 6555047, 10025366, 13110094, 20050732, 26220188, 40101464, 52440376, 85215611, 170431222, 340862444, 681724888]

約数ペア:

[(1, 681724888), (2, 340862444), (4, 170431222), (8, 85215611), (13, 52440376), (17, 40101464), (26, 26220188), (34, 20050732), (52, 13110094), (68, 10025366), (104, 6555047), (136, 5012683), (221, 3084728), (442, 1542364), (884, 771182), (1768, 385591)]