25123966

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 21825794

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 103, 131, 133, 206, 262, 266, 721, 917, 931, 1442, 1834, 1862, 1957, 2489, 3914, 4978, 5047, 6419, 10094, 12838, 13493, 13699, 17423, 26986, 27398, 34846, 94451, 95893, 121961, 188902, 191786, 243922, 256367, 512734, 661157, 1322314, 1794569, 3589138, 12561983, 25123966]

約数ペア:

[(1, 25123966), (2, 12561983), (7, 3589138), (14, 1794569), (19, 1322314), (38, 661157), (49, 512734), (98, 256367), (103, 243922), (131, 191786), (133, 188902), (206, 121961), (262, 95893), (266, 94451), (721, 34846), (917, 27398), (931, 26986), (1442, 17423), (1834, 13699), (1862, 13493), (1957, 12838), (2489, 10094), (3914, 6419), (4978, 5047)]