285868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 559440

約数和(自身を除く): 273572

約数列:

[1, 2, 4, 11, 22, 44, 73, 89, 146, 178, 292, 356, 803, 979, 1606, 1958, 3212, 3916, 6497, 12994, 25988, 71467, 142934, 285868]

約数ペア:

[(1, 285868), (2, 142934), (4, 71467), (11, 25988), (22, 12994), (44, 6497), (73, 3916), (89, 3212), (146, 1958), (178, 1606), (292, 979), (356, 803)]