81817656

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 211584000

約数和(自身を除く): 129766344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 199, 222, 296, 398, 444, 463, 597, 796, 888, 926, 1194, 1389, 1592, 1852, 2388, 2778, 3704, 4776, 5556, 7363, 11112, 14726, 17131, 22089, 29452, 34262, 44178, 51393, 58904, 68524, 88356, 92137, 102786, 137048, 176712, 184274, 205572, 276411, 368548, 411144, 552822, 737096, 1105644, 2211288, 3409069, 6818138, 10227207, 13636276, 20454414, 27272552, 40908828, 81817656]

約数ペア:

[(1, 81817656), (2, 40908828), (3, 27272552), (4, 20454414), (6, 13636276), (8, 10227207), (12, 6818138), (24, 3409069), (37, 2211288), (74, 1105644), (111, 737096), (148, 552822), (199, 411144), (222, 368548), (296, 276411), (398, 205572), (444, 184274), (463, 176712), (597, 137048), (796, 102786), (888, 92137), (926, 88356), (1194, 68524), (1389, 58904), (1592, 51393), (1852, 44178), (2388, 34262), (2778, 29452), (3704, 22089), (4776, 17131), (5556, 14726), (7363, 11112)]