38904545

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 47443968

約数和(自身を除く): 8539423

約数列:

[1, 5, 127, 197, 311, 635, 985, 1555, 25019, 39497, 61267, 125095, 197485, 306335, 7780909, 38904545]

約数ペア:

[(1, 38904545), (5, 7780909), (127, 306335), (197, 197485), (311, 125095), (635, 61267), (985, 39497), (1555, 25019)]