7831213455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21673}}^1$

素因数の和:21820

約数の個数: 64

約数和(自身を含む): 14419278720

約数和(自身を除く): 6588065265

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 109, 195, 221, 255, 327, 545, 663, 1105, 1417, 1635, 1853, 3315, 4251, 5559, 7085, 9265, 21255, 21673, 24089, 27795, 65019, 72267, 108365, 120445, 281749, 325095, 361335, 368441, 845247, 1105323, 1408745, 1842205, 2362357, 4226235, 4789733, 5526615, 7087071, 11811785, 14369199, 23948665, 30710641, 35435355, 40160069, 71845995, 92131923, 120480207, 153553205, 200800345, 460659615, 522080897, 602401035, 1566242691, 2610404485, 7831213455]

約数ペア:

[(1, 7831213455), (3, 2610404485), (5, 1566242691), (13, 602401035), (15, 522080897), (17, 460659615), (39, 200800345), (51, 153553205), (65, 120480207), (85, 92131923), (109, 71845995), (195, 40160069), (221, 35435355), (255, 30710641), (327, 23948665), (545, 14369199), (663, 11811785), (1105, 7087071), (1417, 5526615), (1635, 4789733), (1853, 4226235), (3315, 2362357), (4251, 1842205), (5559, 1408745), (7085, 1105323), (9265, 845247), (21255, 368441), (21673, 361335), (24089, 325095), (27795, 281749), (65019, 120445), (72267, 108365)]