28202916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 53082204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 57, 76, 82, 84, 114, 123, 133, 164, 228, 246, 266, 287, 399, 431, 492, 532, 574, 779, 798, 861, 862, 1148, 1293, 1558, 1596, 1722, 1724, 2337, 2586, 3017, 3116, 3444, 4674, 5172, 5453, 6034, 8189, 9051, 9348, 10906, 12068, 16359, 16378, 17671, 18102, 21812, 24567, 32718, 32756, 35342, 36204, 49134, 53013, 57323, 65436, 70684, 98268, 106026, 114646, 123697, 171969, 212052, 229292, 247394, 335749, 343938, 371091, 494788, 671498, 687876, 742182, 1007247, 1342996, 1484364, 2014494, 2350243, 4028988, 4700486, 7050729, 9400972, 14101458, 28202916]

約数ペア:

[(1, 28202916), (2, 14101458), (3, 9400972), (4, 7050729), (6, 4700486), (7, 4028988), (12, 2350243), (14, 2014494), (19, 1484364), (21, 1342996), (28, 1007247), (38, 742182), (41, 687876), (42, 671498), (57, 494788), (76, 371091), (82, 343938), (84, 335749), (114, 247394), (123, 229292), (133, 212052), (164, 171969), (228, 123697), (246, 114646), (266, 106026), (287, 98268), (399, 70684), (431, 65436), (492, 57323), (532, 53013), (574, 49134), (779, 36204), (798, 35342), (861, 32756), (862, 32718), (1148, 24567), (1293, 21812), (1558, 18102), (1596, 17671), (1722, 16378), (1724, 16359), (2337, 12068), (2586, 10906), (3017, 9348), (3116, 9051), (3444, 8189), (4674, 6034), (5172, 5453)]