66890390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{136511}}^1$

素因数の和:136532

約数の個数: 24

約数和(自身を含む): 140061312

約数和(自身を除く): 73170922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 136511, 273022, 682555, 955577, 1365110, 1911154, 4777885, 6689039, 9555770, 13378078, 33445195, 66890390]

約数ペア:

[(1, 66890390), (2, 33445195), (5, 13378078), (7, 9555770), (10, 6689039), (14, 4777885), (35, 1911154), (49, 1365110), (70, 955577), (98, 682555), (245, 273022), (490, 136511)]