281231028

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2955

約数の個数: 120

約数和(自身を含む): 826455168

約数和(自身を除く): 545224140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 234, 276, 299, 324, 351, 414, 468, 598, 621, 702, 828, 897, 1053, 1196, 1242, 1404, 1794, 1863, 2106, 2484, 2691, 2903, 3588, 3726, 4212, 5382, 5806, 7452, 8073, 8709, 10764, 11612, 16146, 17418, 24219, 26127, 32292, 34836, 37739, 48438, 52254, 66769, 75478, 78381, 96876, 104508, 113217, 133538, 150956, 156762, 200307, 226434, 235143, 267076, 313524, 339651, 400614, 452868, 470286, 600921, 679302, 801228, 867997, 940572, 1018953, 1201842, 1358604, 1735994, 1802763, 2037906, 2403684, 2603991, 3056859, 3471988, 3605526, 4075812, 5207982, 5408289, 6113718, 7211052, 7811973, 10415964, 10816578, 12227436, 15623946, 21633156, 23435919, 31247892, 46871838, 70307757, 93743676, 140615514, 281231028]

約数ペア:

[(1, 281231028), (2, 140615514), (3, 93743676), (4, 70307757), (6, 46871838), (9, 31247892), (12, 23435919), (13, 21633156), (18, 15623946), (23, 12227436), (26, 10816578), (27, 10415964), (36, 7811973), (39, 7211052), (46, 6113718), (52, 5408289), (54, 5207982), (69, 4075812), (78, 3605526), (81, 3471988), (92, 3056859), (108, 2603991), (117, 2403684), (138, 2037906), (156, 1802763), (162, 1735994), (207, 1358604), (234, 1201842), (276, 1018953), (299, 940572), (324, 867997), (351, 801228), (414, 679302), (468, 600921), (598, 470286), (621, 452868), (702, 400614), (828, 339651), (897, 313524), (1053, 267076), (1196, 235143), (1242, 226434), (1404, 200307), (1794, 156762), (1863, 150956), (2106, 133538), (2484, 113217), (2691, 104508), (2903, 96876), (3588, 78381), (3726, 75478), (4212, 66769), (5382, 52254), (5806, 48438), (7452, 37739), (8073, 34836), (8709, 32292), (10764, 26127), (11612, 24219), (16146, 17418)]