28490364

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 108

約数和(自身を含む): 86643648

約数和(自身を除く): 58153284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 84, 93, 98, 124, 126, 147, 186, 196, 217, 252, 279, 294, 372, 434, 441, 521, 558, 588, 651, 868, 882, 1042, 1116, 1302, 1519, 1563, 1764, 1953, 2084, 2604, 3038, 3126, 3647, 3906, 4557, 4689, 6076, 6252, 7294, 7812, 9114, 9378, 10941, 13671, 14588, 16151, 18228, 18756, 21882, 25529, 27342, 32302, 32823, 43764, 48453, 51058, 54684, 64604, 65646, 76587, 96906, 102116, 113057, 131292, 145359, 153174, 193812, 226114, 229761, 290718, 306348, 339171, 452228, 459522, 581436, 678342, 791399, 919044, 1017513, 1356684, 1582798, 2035026, 2374197, 3165596, 4070052, 4748394, 7122591, 9496788, 14245182, 28490364]

約数ペア:

[(1, 28490364), (2, 14245182), (3, 9496788), (4, 7122591), (6, 4748394), (7, 4070052), (9, 3165596), (12, 2374197), (14, 2035026), (18, 1582798), (21, 1356684), (28, 1017513), (31, 919044), (36, 791399), (42, 678342), (49, 581436), (62, 459522), (63, 452228), (84, 339171), (93, 306348), (98, 290718), (124, 229761), (126, 226114), (147, 193812), (186, 153174), (196, 145359), (217, 131292), (252, 113057), (279, 102116), (294, 96906), (372, 76587), (434, 65646), (441, 64604), (521, 54684), (558, 51058), (588, 48453), (651, 43764), (868, 32823), (882, 32302), (1042, 27342), (1116, 25529), (1302, 21882), (1519, 18756), (1563, 18228), (1764, 16151), (1953, 14588), (2084, 13671), (2604, 10941), (3038, 9378), (3126, 9114), (3647, 7812), (3906, 7294), (4557, 6252), (4689, 6076)]