87909372

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 229909680

約数和(自身を除く): 142000308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 258, 327, 387, 436, 516, 521, 654, 774, 981, 1042, 1308, 1548, 1563, 1962, 2084, 3126, 3924, 4687, 4689, 6252, 9374, 9378, 14061, 18748, 18756, 22403, 28122, 42183, 44806, 56244, 56789, 67209, 84366, 89612, 113578, 134418, 168732, 170367, 201627, 227156, 268836, 340734, 403254, 511101, 681468, 806508, 1022202, 2044404, 2441927, 4883854, 7325781, 9767708, 14651562, 21977343, 29303124, 43954686, 87909372]

約数ペア:

[(1, 87909372), (2, 43954686), (3, 29303124), (4, 21977343), (6, 14651562), (9, 9767708), (12, 7325781), (18, 4883854), (36, 2441927), (43, 2044404), (86, 1022202), (109, 806508), (129, 681468), (172, 511101), (218, 403254), (258, 340734), (327, 268836), (387, 227156), (436, 201627), (516, 170367), (521, 168732), (654, 134418), (774, 113578), (981, 89612), (1042, 84366), (1308, 67209), (1548, 56789), (1563, 56244), (1962, 44806), (2084, 42183), (3126, 28122), (3924, 22403), (4687, 18756), (4689, 18748), (6252, 14061), (9374, 9378)]