28493712

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 88827648

約数和(自身を除く): 60333936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 491, 496, 558, 624, 744, 806, 936, 982, 1116, 1209, 1473, 1488, 1612, 1872, 1964, 2232, 2418, 2946, 3224, 3627, 3928, 4419, 4464, 4836, 5892, 6383, 6448, 7254, 7856, 8838, 9672, 11784, 12766, 14508, 15221, 17676, 19149, 19344, 23568, 25532, 29016, 30442, 35352, 38298, 45663, 51064, 57447, 58032, 60884, 70704, 76596, 91326, 102128, 114894, 121768, 136989, 153192, 182652, 197873, 229788, 243536, 273978, 306384, 365304, 395746, 459576, 547956, 593619, 730608, 791492, 919152, 1095912, 1187238, 1582984, 1780857, 2191824, 2374476, 3165968, 3561714, 4748952, 7123428, 9497904, 14246856, 28493712]

約数ペア:

[(1, 28493712), (2, 14246856), (3, 9497904), (4, 7123428), (6, 4748952), (8, 3561714), (9, 3165968), (12, 2374476), (13, 2191824), (16, 1780857), (18, 1582984), (24, 1187238), (26, 1095912), (31, 919152), (36, 791492), (39, 730608), (48, 593619), (52, 547956), (62, 459576), (72, 395746), (78, 365304), (93, 306384), (104, 273978), (117, 243536), (124, 229788), (144, 197873), (156, 182652), (186, 153192), (208, 136989), (234, 121768), (248, 114894), (279, 102128), (312, 91326), (372, 76596), (403, 70704), (468, 60884), (491, 58032), (496, 57447), (558, 51064), (624, 45663), (744, 38298), (806, 35352), (936, 30442), (982, 29016), (1116, 25532), (1209, 23568), (1473, 19344), (1488, 19149), (1612, 17676), (1872, 15221), (1964, 14508), (2232, 12766), (2418, 11784), (2946, 9672), (3224, 8838), (3627, 7856), (3928, 7254), (4419, 6448), (4464, 6383), (4836, 5892)]