256445514

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:753

約数の個数: 80

約数和(自身を含む): 622524672

約数和(自身を除く): 366079158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 263, 351, 463, 526, 702, 789, 926, 1053, 1389, 1578, 2106, 2367, 2778, 3419, 4167, 4734, 6019, 6838, 7101, 8334, 10257, 12038, 12501, 14202, 18057, 20514, 21303, 25002, 30771, 36114, 37503, 42606, 54171, 61542, 75006, 92313, 108342, 121769, 162513, 184626, 243538, 276939, 325026, 365307, 487539, 553878, 730614, 975078, 1095921, 1582997, 2191842, 3165994, 3287763, 4748991, 6575526, 9497982, 9863289, 14246973, 19726578, 28493946, 42740919, 85481838, 128222757, 256445514]

約数ペア:

[(1, 256445514), (2, 128222757), (3, 85481838), (6, 42740919), (9, 28493946), (13, 19726578), (18, 14246973), (26, 9863289), (27, 9497982), (39, 6575526), (54, 4748991), (78, 3287763), (81, 3165994), (117, 2191842), (162, 1582997), (234, 1095921), (263, 975078), (351, 730614), (463, 553878), (526, 487539), (702, 365307), (789, 325026), (926, 276939), (1053, 243538), (1389, 184626), (1578, 162513), (2106, 121769), (2367, 108342), (2778, 92313), (3419, 75006), (4167, 61542), (4734, 54171), (6019, 42606), (6838, 37503), (7101, 36114), (8334, 30771), (10257, 25002), (12038, 21303), (12501, 20514), (14202, 18057)]