1256485048

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{683}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 3119429880

約数和(自身を除く): 1862944832

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 182, 196, 247, 266, 361, 364, 392, 494, 532, 637, 683, 722, 728, 931, 988, 1064, 1274, 1366, 1444, 1729, 1862, 1976, 2527, 2548, 2732, 2888, 3458, 3724, 4693, 4781, 5054, 5096, 5464, 6916, 7448, 8879, 9386, 9562, 10108, 12103, 12977, 13832, 17689, 17758, 18772, 19124, 20216, 24206, 25954, 32851, 33467, 35378, 35516, 37544, 38248, 48412, 51908, 62153, 65702, 66934, 70756, 71032, 90839, 96824, 103816, 124306, 131404, 133868, 141512, 168701, 181678, 229957, 246563, 248612, 262808, 267736, 337402, 363356, 435071, 459914, 493126, 497224, 635873, 674804, 726712, 870142, 919828, 986252, 1180907, 1271746, 1349608, 1725941, 1740284, 1839656, 1972504, 2361814, 2543492, 3205319, 3451882, 3480568, 4723628, 5086984, 6410638, 6903764, 8266349, 9447256, 12081587, 12821276, 13807528, 16532698, 22437233, 24163174, 25642552, 33065396, 44874466, 48326348, 66130792, 89748932, 96652696, 157060631, 179497864, 314121262, 628242524, 1256485048]

約数ペア:

[(1, 1256485048), (2, 628242524), (4, 314121262), (7, 179497864), (8, 157060631), (13, 96652696), (14, 89748932), (19, 66130792), (26, 48326348), (28, 44874466), (38, 33065396), (49, 25642552), (52, 24163174), (56, 22437233), (76, 16532698), (91, 13807528), (98, 12821276), (104, 12081587), (133, 9447256), (152, 8266349), (182, 6903764), (196, 6410638), (247, 5086984), (266, 4723628), (361, 3480568), (364, 3451882), (392, 3205319), (494, 2543492), (532, 2361814), (637, 1972504), (683, 1839656), (722, 1740284), (728, 1725941), (931, 1349608), (988, 1271746), (1064, 1180907), (1274, 986252), (1366, 919828), (1444, 870142), (1729, 726712), (1862, 674804), (1976, 635873), (2527, 497224), (2548, 493126), (2732, 459914), (2888, 435071), (3458, 363356), (3724, 337402), (4693, 267736), (4781, 262808), (5054, 248612), (5096, 246563), (5464, 229957), (6916, 181678), (7448, 168701), (8879, 141512), (9386, 133868), (9562, 131404), (10108, 124306), (12103, 103816), (12977, 96824), (13832, 90839), (17689, 71032), (17758, 70756), (18772, 66934), (19124, 65702), (20216, 62153), (24206, 51908), (25954, 48412), (32851, 38248), (33467, 37544), (35378, 35516)]