28957968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 90272000

約数和(自身を除く): 61314032

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, 496, 499, 558, 624, 744, 806, 936, 998, 1116, 1209, 1488, 1497, 1612, 1872, 1996, 2232, 2418, 2994, 3224, 3627, 3992, 4464, 4491, 4836, 5988, 6448, 6487, 7254, 7984, 8982, 9672, 11976, 12974, 14508, 15469, 17964, 19344, 19461, 23952, 25948, 29016, 30938, 35928, 38922, 46407, 51896, 58032, 58383, 61876, 71856, 77844, 92814, 103792, 116766, 123752, 139221, 155688, 185628, 201097, 233532, 247504, 278442, 311376, 371256, 402194, 467064, 556884, 603291, 742512, 804388, 934128, 1113768, 1206582, 1608776, 1809873, 2227536, 2413164, 3217552, 3619746, 4826328, 7239492, 9652656, 14478984, 28957968]

約数ペア:

[(1, 28957968), (2, 14478984), (3, 9652656), (4, 7239492), (6, 4826328), (8, 3619746), (9, 3217552), (12, 2413164), (13, 2227536), (16, 1809873), (18, 1608776), (24, 1206582), (26, 1113768), (31, 934128), (36, 804388), (39, 742512), (48, 603291), (52, 556884), (62, 467064), (72, 402194), (78, 371256), (93, 311376), (104, 278442), (117, 247504), (124, 233532), (144, 201097), (156, 185628), (186, 155688), (208, 139221), (234, 123752), (248, 116766), (279, 103792), (312, 92814), (372, 77844), (403, 71856), (468, 61876), (496, 58383), (499, 58032), (558, 51896), (624, 46407), (744, 38922), (806, 35928), (936, 30938), (998, 29016), (1116, 25948), (1209, 23952), (1488, 19461), (1497, 19344), (1612, 17964), (1872, 15469), (1996, 14508), (2232, 12974), (2418, 11976), (2994, 9672), (3224, 8982), (3627, 7984), (3992, 7254), (4464, 6487), (4491, 6448), (4836, 5988)]