25340042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 49641984

約数和(自身を除く): 24301942

約数列:

[1, 2, 7, 13, 14, 26, 37, 53, 71, 74, 91, 106, 142, 182, 259, 371, 481, 497, 518, 689, 742, 923, 962, 994, 1378, 1846, 1961, 2627, 3367, 3763, 3922, 4823, 5254, 6461, 6734, 7526, 9646, 12922, 13727, 18389, 25493, 26341, 27454, 34151, 36778, 48919, 50986, 52682, 68302, 97838, 139231, 178451, 239057, 278462, 342433, 356902, 478114, 684866, 974617, 1810003, 1949234, 3620006, 12670021, 25340042]

約数ペア:

[(1, 25340042), (2, 12670021), (7, 3620006), (13, 1949234), (14, 1810003), (26, 974617), (37, 684866), (53, 478114), (71, 356902), (74, 342433), (91, 278462), (106, 239057), (142, 178451), (182, 139231), (259, 97838), (371, 68302), (481, 52682), (497, 50986), (518, 48919), (689, 36778), (742, 34151), (923, 27454), (962, 26341), (994, 25493), (1378, 18389), (1846, 13727), (1961, 12922), (2627, 9646), (3367, 7526), (3763, 6734), (3922, 6461), (4823, 5254)]