28009512

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 79279200

約数和(自身を除く): 51269688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 83, 86, 109, 129, 166, 172, 218, 249, 258, 327, 332, 344, 387, 436, 498, 516, 654, 664, 747, 774, 872, 981, 996, 1032, 1308, 1494, 1548, 1962, 1992, 2616, 2988, 3096, 3569, 3924, 4687, 5976, 7138, 7848, 9047, 9374, 10707, 14061, 14276, 18094, 18748, 21414, 27141, 28122, 28552, 32121, 36188, 37496, 42183, 42828, 54282, 56244, 64242, 72376, 81423, 84366, 85656, 108564, 112488, 128484, 162846, 168732, 217128, 256968, 325692, 337464, 389021, 651384, 778042, 1167063, 1556084, 2334126, 3112168, 3501189, 4668252, 7002378, 9336504, 14004756, 28009512]

約数ペア:

[(1, 28009512), (2, 14004756), (3, 9336504), (4, 7002378), (6, 4668252), (8, 3501189), (9, 3112168), (12, 2334126), (18, 1556084), (24, 1167063), (36, 778042), (43, 651384), (72, 389021), (83, 337464), (86, 325692), (109, 256968), (129, 217128), (166, 168732), (172, 162846), (218, 128484), (249, 112488), (258, 108564), (327, 85656), (332, 84366), (344, 81423), (387, 72376), (436, 64242), (498, 56244), (516, 54282), (654, 42828), (664, 42183), (747, 37496), (774, 36188), (872, 32121), (981, 28552), (996, 28122), (1032, 27141), (1308, 21414), (1494, 18748), (1548, 18094), (1962, 14276), (1992, 14061), (2616, 10707), (2988, 9374), (3096, 9047), (3569, 7848), (3924, 7138), (4687, 5976)]