156799825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 241373440

約数和(自身を除く): 84573615

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 157, 175, 325, 439, 455, 785, 1099, 2041, 2195, 2275, 3073, 3925, 5495, 5707, 10205, 10975, 14287, 15365, 27475, 28535, 39949, 51025, 68923, 71435, 76825, 142675, 199745, 344615, 357175, 482461, 895999, 998725, 1723075, 2412305, 4479995, 6271993, 12061525, 22399975, 31359965, 156799825]

約数ペア:

[(1, 156799825), (5, 31359965), (7, 22399975), (13, 12061525), (25, 6271993), (35, 4479995), (65, 2412305), (91, 1723075), (157, 998725), (175, 895999), (325, 482461), (439, 357175), (455, 344615), (785, 199745), (1099, 142675), (2041, 76825), (2195, 71435), (2275, 68923), (3073, 51025), (3925, 39949), (5495, 28535), (5707, 27475), (10205, 15365), (10975, 14287)]