215457095

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 309657600

約数和(自身を除く): 94200505

約数列:

[1, 5, 7, 29, 35, 79, 145, 203, 395, 553, 1015, 2291, 2687, 2765, 11455, 13435, 16037, 18809, 77923, 80185, 94045, 212273, 389615, 545461, 1061365, 1485911, 2727305, 6155917, 7429555, 30779585, 43091419, 215457095]

約数ペア:

[(1, 215457095), (5, 43091419), (7, 30779585), (29, 7429555), (35, 6155917), (79, 2727305), (145, 1485911), (203, 1061365), (395, 545461), (553, 389615), (1015, 212273), (2291, 94045), (2687, 80185), (2765, 77923), (11455, 18809), (13435, 16037)]