25078365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 47279232

約数和(自身を除く): 22200867

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 163, 195, 263, 489, 585, 789, 815, 1315, 1467, 2119, 2367, 2445, 3419, 3945, 6357, 7335, 10257, 10595, 11835, 17095, 19071, 30771, 31785, 42869, 51285, 95355, 128607, 153855, 214345, 385821, 557297, 643035, 1671891, 1929105, 2786485, 5015673, 8359455, 25078365]

約数ペア:

[(1, 25078365), (3, 8359455), (5, 5015673), (9, 2786485), (13, 1929105), (15, 1671891), (39, 643035), (45, 557297), (65, 385821), (117, 214345), (163, 153855), (195, 128607), (263, 95355), (489, 51285), (585, 42869), (789, 31785), (815, 30771), (1315, 19071), (1467, 17095), (2119, 11835), (2367, 10595), (2445, 10257), (3419, 7335), (3945, 6357)]