222728648

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{937}}^1$

素因数の和:1677

約数の個数: 32

約数和(自身を含む): 428403360

約数和(自身を除く): 205674712

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 691, 937, 1382, 1874, 2764, 3748, 5528, 7496, 29713, 40291, 59426, 80582, 118852, 161164, 237704, 322328, 647467, 1294934, 2589868, 5179736, 27841081, 55682162, 111364324, 222728648]

約数ペア:

[(1, 222728648), (2, 111364324), (4, 55682162), (8, 27841081), (43, 5179736), (86, 2589868), (172, 1294934), (344, 647467), (691, 322328), (937, 237704), (1382, 161164), (1874, 118852), (2764, 80582), (3748, 59426), (5528, 40291), (7496, 29713)]