81305352

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3631}}^1$

素因数の和:3954

約数の個数: 48

約数和(自身を含む): 220970880

約数和(自身を除く): 139665528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 933, 1244, 1866, 2488, 2799, 3631, 3732, 5598, 7262, 7464, 10893, 11196, 14524, 21786, 22392, 29048, 32679, 43572, 65358, 87144, 130716, 261432, 1129241, 2258482, 3387723, 4516964, 6775446, 9033928, 10163169, 13550892, 20326338, 27101784, 40652676, 81305352]

約数ペア:

[(1, 81305352), (2, 40652676), (3, 27101784), (4, 20326338), (6, 13550892), (8, 10163169), (9, 9033928), (12, 6775446), (18, 4516964), (24, 3387723), (36, 2258482), (72, 1129241), (311, 261432), (622, 130716), (933, 87144), (1244, 65358), (1866, 43572), (2488, 32679), (2799, 29048), (3631, 22392), (3732, 21786), (5598, 14524), (7262, 11196), (7464, 10893)]