28118556

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 78220800

約数和(自身を除く): 50102244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 71, 76, 108, 114, 142, 171, 193, 213, 228, 284, 342, 386, 426, 513, 579, 639, 684, 772, 852, 1026, 1158, 1278, 1349, 1737, 1917, 2052, 2316, 2556, 2698, 3474, 3667, 3834, 4047, 5211, 5396, 6948, 7334, 7668, 8094, 10422, 11001, 12141, 13703, 14668, 16188, 20844, 22002, 24282, 27406, 33003, 36423, 41109, 44004, 48564, 54812, 66006, 72846, 82218, 99009, 123327, 132012, 145692, 164436, 198018, 246654, 260357, 369981, 396036, 493308, 520714, 739962, 781071, 1041428, 1479924, 1562142, 2343213, 3124284, 4686426, 7029639, 9372852, 14059278, 28118556]

約数ペア:

[(1, 28118556), (2, 14059278), (3, 9372852), (4, 7029639), (6, 4686426), (9, 3124284), (12, 2343213), (18, 1562142), (19, 1479924), (27, 1041428), (36, 781071), (38, 739962), (54, 520714), (57, 493308), (71, 396036), (76, 369981), (108, 260357), (114, 246654), (142, 198018), (171, 164436), (193, 145692), (213, 132012), (228, 123327), (284, 99009), (342, 82218), (386, 72846), (426, 66006), (513, 54812), (579, 48564), (639, 44004), (684, 41109), (772, 36423), (852, 33003), (1026, 27406), (1158, 24282), (1278, 22002), (1349, 20844), (1737, 16188), (1917, 14668), (2052, 13703), (2316, 12141), (2556, 11001), (2698, 10422), (3474, 8094), (3667, 7668), (3834, 7334), (4047, 6948), (5211, 5396)]