66913910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136559}}^1$

素因数の和:136580

約数の個数: 24

約数和(自身を含む): 140110560

約数和(自身を除く): 73196650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136559, 273118, 682795, 955913, 1365590, 1911826, 4779565, 6691391, 9559130, 13382782, 33456955, 66913910]

約数ペア:

[(1, 66913910), (2, 33456955), (5, 13382782), (7, 9559130), (10, 6691391), (14, 4779565), (35, 1911826), (49, 1365590), (70, 955913), (98, 682795), (245, 273118), (490, 136559)]