28019875688

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1\times {\mathrm{9803}}^1$

素因数の和:11046

約数の個数: 64

約数和(自身を含む): 61496962560

約数和(自身を除く): 33477086872

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1187, 1204, 2374, 2408, 4748, 8309, 9496, 9803, 16618, 19606, 33236, 39212, 51041, 66472, 68621, 78424, 102082, 137242, 204164, 274484, 357287, 408328, 421529, 548968, 714574, 843058, 1429148, 1686116, 2858296, 2950703, 3372232, 5901406, 11636161, 11802812, 23272322, 23605624, 46544644, 81453127, 93089288, 162906254, 325812508, 500354923, 651625016, 1000709846, 2001419692, 3502484461, 4002839384, 7004968922, 14009937844, 28019875688]

約数ペア:

[(1, 28019875688), (2, 14009937844), (4, 7004968922), (7, 4002839384), (8, 3502484461), (14, 2001419692), (28, 1000709846), (43, 651625016), (56, 500354923), (86, 325812508), (172, 162906254), (301, 93089288), (344, 81453127), (602, 46544644), (1187, 23605624), (1204, 23272322), (2374, 11802812), (2408, 11636161), (4748, 5901406), (8309, 3372232), (9496, 2950703), (9803, 2858296), (16618, 1686116), (19606, 1429148), (33236, 843058), (39212, 714574), (51041, 548968), (66472, 421529), (68621, 408328), (78424, 357287), (102082, 274484), (137242, 204164)]