81802856

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6427}}^1$

素因数の和:6513

約数の個数: 32

約数和(自身を含む): 161214240

約数和(自身を除く): 79411384

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364, 6427, 12728, 12854, 25708, 51416, 237799, 276361, 475598, 552722, 951196, 1105444, 1902392, 2210888, 10225357, 20450714, 40901428, 81802856]

約数ペア:

[(1, 81802856), (2, 40901428), (4, 20450714), (8, 10225357), (37, 2210888), (43, 1902392), (74, 1105444), (86, 951196), (148, 552722), (172, 475598), (296, 276361), (344, 237799), (1591, 51416), (3182, 25708), (6364, 12854), (6427, 12728)]