256767888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{701}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 716579136

約数和(自身を除く): 459811248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 587, 624, 701, 1174, 1402, 1761, 2103, 2348, 2804, 3522, 4206, 4696, 5608, 7044, 7631, 8412, 9113, 9392, 11216, 14088, 15262, 16824, 18226, 22893, 27339, 28176, 30524, 33648, 36452, 45786, 54678, 61048, 72904, 91572, 109356, 122096, 145808, 183144, 218712, 366288, 411487, 437424, 822974, 1234461, 1645948, 2468922, 3291896, 4937844, 5349331, 6583792, 9875688, 10698662, 16047993, 19751376, 21397324, 32095986, 42794648, 64191972, 85589296, 128383944, 256767888]

約数ペア:

[(1, 256767888), (2, 128383944), (3, 85589296), (4, 64191972), (6, 42794648), (8, 32095986), (12, 21397324), (13, 19751376), (16, 16047993), (24, 10698662), (26, 9875688), (39, 6583792), (48, 5349331), (52, 4937844), (78, 3291896), (104, 2468922), (156, 1645948), (208, 1234461), (312, 822974), (587, 437424), (624, 411487), (701, 366288), (1174, 218712), (1402, 183144), (1761, 145808), (2103, 122096), (2348, 109356), (2804, 91572), (3522, 72904), (4206, 61048), (4696, 54678), (5608, 45786), (7044, 36452), (7631, 33648), (8412, 30524), (9113, 28176), (9392, 27339), (11216, 22893), (14088, 18226), (15262, 16824)]