2007978310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359209}}^1$

素因数の和:359272

約数の個数: 32

約数和(自身を含む): 3982920480

約数和(自身を除く): 1974942170

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 359209, 718418, 1796045, 3592090, 4669717, 9339434, 15445987, 23348585, 30891974, 46697170, 77229935, 154459870, 200797831, 401595662, 1003989155, 2007978310]

約数ペア:

[(1, 2007978310), (2, 1003989155), (5, 401595662), (10, 200797831), (13, 154459870), (26, 77229935), (43, 46697170), (65, 30891974), (86, 23348585), (130, 15445987), (215, 9339434), (430, 4669717), (559, 3592090), (1118, 1796045), (2795, 718418), (5590, 359209)]