85566775

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 126491904

約数和(自身を除く): 40925129

約数列:

[1, 5, 7, 25, 35, 43, 83, 137, 175, 215, 301, 415, 581, 685, 959, 1075, 1505, 2075, 2905, 3425, 3569, 4795, 5891, 7525, 11371, 14525, 17845, 23975, 24983, 29455, 41237, 56855, 79597, 89225, 124915, 147275, 206185, 284275, 397985, 488953, 624575, 1030925, 1989925, 2444765, 3422671, 12223825, 17113355, 85566775]

約数ペア:

[(1, 85566775), (5, 17113355), (7, 12223825), (25, 3422671), (35, 2444765), (43, 1989925), (83, 1030925), (137, 624575), (175, 488953), (215, 397985), (301, 284275), (415, 206185), (581, 147275), (685, 124915), (959, 89225), (1075, 79597), (1505, 56855), (2075, 41237), (2905, 29455), (3425, 24983), (3569, 23975), (4795, 17845), (5891, 14525), (7525, 11371)]