81155296

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 164656800

約数和(自身を除く): 83501504

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 109, 212, 218, 424, 436, 439, 848, 872, 878, 1696, 1744, 1756, 3488, 3512, 5777, 7024, 11554, 14048, 23108, 23267, 46216, 46534, 47851, 92432, 93068, 95702, 184864, 186136, 191404, 372272, 382808, 744544, 765616, 1531232, 2536103, 5072206, 10144412, 20288824, 40577648, 81155296]

約数ペア:

[(1, 81155296), (2, 40577648), (4, 20288824), (8, 10144412), (16, 5072206), (32, 2536103), (53, 1531232), (106, 765616), (109, 744544), (212, 382808), (218, 372272), (424, 191404), (436, 186136), (439, 184864), (848, 95702), (872, 93068), (878, 92432), (1696, 47851), (1744, 46534), (1756, 46216), (3488, 23267), (3512, 23108), (5777, 14048), (7024, 11554)]