1281939568

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1831

約数の個数: 120

約数和(自身を含む): 3155975088

約数和(自身を除く): 1874035520

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 73, 91, 98, 104, 112, 146, 182, 196, 208, 292, 364, 392, 511, 584, 637, 728, 784, 949, 1022, 1168, 1274, 1456, 1723, 1898, 2044, 2548, 3446, 3577, 3796, 4088, 5096, 6643, 6892, 7154, 7592, 8176, 10192, 12061, 13286, 13784, 14308, 15184, 22399, 24122, 26572, 27568, 28616, 44798, 46501, 48244, 53144, 57232, 84427, 89596, 93002, 96488, 106288, 125779, 156793, 168854, 179192, 186004, 192976, 251558, 313586, 337708, 358384, 372008, 503116, 627172, 675416, 744016, 880453, 1006232, 1097551, 1254344, 1350832, 1635127, 1760906, 2012464, 2195102, 2508688, 3270254, 3521812, 4390204, 6163171, 6540508, 7043624, 8780408, 11445889, 12326342, 13081016, 14087248, 17560816, 22891778, 24652684, 26162032, 45783556, 49305368, 80121223, 91567112, 98610736, 160242446, 183134224, 320484892, 640969784, 1281939568]

約数ペア:

[(1, 1281939568), (2, 640969784), (4, 320484892), (7, 183134224), (8, 160242446), (13, 98610736), (14, 91567112), (16, 80121223), (26, 49305368), (28, 45783556), (49, 26162032), (52, 24652684), (56, 22891778), (73, 17560816), (91, 14087248), (98, 13081016), (104, 12326342), (112, 11445889), (146, 8780408), (182, 7043624), (196, 6540508), (208, 6163171), (292, 4390204), (364, 3521812), (392, 3270254), (511, 2508688), (584, 2195102), (637, 2012464), (728, 1760906), (784, 1635127), (949, 1350832), (1022, 1254344), (1168, 1097551), (1274, 1006232), (1456, 880453), (1723, 744016), (1898, 675416), (2044, 627172), (2548, 503116), (3446, 372008), (3577, 358384), (3796, 337708), (4088, 313586), (5096, 251558), (6643, 192976), (6892, 186004), (7154, 179192), (7592, 168854), (8176, 156793), (10192, 125779), (12061, 106288), (13286, 96488), (13784, 93002), (14308, 89596), (15184, 84427), (22399, 57232), (24122, 53144), (26572, 48244), (27568, 46501), (28616, 44798)]