251959968

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 144

約数和(自身を含む): 778082760

約数和(自身を除く): 526122792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 173, 208, 234, 288, 312, 346, 389, 416, 468, 519, 624, 692, 778, 936, 1038, 1167, 1248, 1384, 1556, 1557, 1872, 2076, 2249, 2334, 2768, 3112, 3114, 3501, 3744, 4152, 4498, 4668, 5057, 5536, 6224, 6228, 6747, 7002, 8304, 8996, 9336, 10114, 12448, 12456, 13494, 14004, 15171, 16608, 17992, 18672, 20228, 20241, 24912, 26988, 28008, 30342, 35984, 37344, 40456, 40482, 45513, 49824, 53976, 56016, 60684, 67297, 71968, 80912, 80964, 91026, 107952, 112032, 121368, 134594, 161824, 161928, 182052, 201891, 215904, 242736, 269188, 323856, 364104, 403782, 485472, 538376, 605673, 647712, 728208, 807564, 874861, 1076752, 1211346, 1456416, 1615128, 1749722, 2153504, 2422692, 2624583, 3230256, 3499444, 4845384, 5249166, 6460512, 6998888, 7873749, 9690768, 10498332, 13997776, 15747498, 19381536, 20996664, 27995552, 31494996, 41993328, 62989992, 83986656, 125979984, 251959968]

約数ペア:

[(1, 251959968), (2, 125979984), (3, 83986656), (4, 62989992), (6, 41993328), (8, 31494996), (9, 27995552), (12, 20996664), (13, 19381536), (16, 15747498), (18, 13997776), (24, 10498332), (26, 9690768), (32, 7873749), (36, 6998888), (39, 6460512), (48, 5249166), (52, 4845384), (72, 3499444), (78, 3230256), (96, 2624583), (104, 2422692), (117, 2153504), (144, 1749722), (156, 1615128), (173, 1456416), (208, 1211346), (234, 1076752), (288, 874861), (312, 807564), (346, 728208), (389, 647712), (416, 605673), (468, 538376), (519, 485472), (624, 403782), (692, 364104), (778, 323856), (936, 269188), (1038, 242736), (1167, 215904), (1248, 201891), (1384, 182052), (1556, 161928), (1557, 161824), (1872, 134594), (2076, 121368), (2249, 112032), (2334, 107952), (2768, 91026), (3112, 80964), (3114, 80912), (3501, 71968), (3744, 67297), (4152, 60684), (4498, 56016), (4668, 53976), (5057, 49824), (5536, 45513), (6224, 40482), (6228, 40456), (6747, 37344), (7002, 35984), (8304, 30342), (8996, 28008), (9336, 26988), (10114, 24912), (12448, 20241), (12456, 20228), (13494, 18672), (14004, 17992), (15171, 16608)]