1620388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5283

約数の個数: 24

約数和(自身を含む): 3536064

約数和(自身を除く): 1915676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 5261, 10522, 21044, 36827, 57871, 73654, 115742, 147308, 231484, 405097, 810194, 1620388]

約数ペア:

[(1, 1620388), (2, 810194), (4, 405097), (7, 231484), (11, 147308), (14, 115742), (22, 73654), (28, 57871), (44, 36827), (77, 21044), (154, 10522), (308, 5261)]