66741790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{61231}}^1$

素因数の和:61347

約数の個数: 16

約数和(自身を含む): 121239360

約数和(自身を除く): 54497570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 61231, 122462, 306155, 612310, 6674179, 13348358, 33370895, 66741790]

約数ペア:

[(1, 66741790), (2, 33370895), (5, 13348358), (10, 6674179), (109, 612310), (218, 306155), (545, 122462), (1090, 61231)]