81990672

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15671}}^1$

素因数の和:15791

約数の個数: 40

約数和(自身を含む): 213766080

約数和(自身を除く): 131775408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 327, 436, 654, 872, 1308, 1744, 2616, 5232, 15671, 31342, 47013, 62684, 94026, 125368, 188052, 250736, 376104, 752208, 1708139, 3416278, 5124417, 6832556, 10248834, 13665112, 20497668, 27330224, 40995336, 81990672]

約数ペア:

[(1, 81990672), (2, 40995336), (3, 27330224), (4, 20497668), (6, 13665112), (8, 10248834), (12, 6832556), (16, 5124417), (24, 3416278), (48, 1708139), (109, 752208), (218, 376104), (327, 250736), (436, 188052), (654, 125368), (872, 94026), (1308, 62684), (1744, 47013), (2616, 31342), (5232, 15671)]