9973990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 19617696

約数和(自身を除く): 9643706

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1051, 1898, 2102, 4745, 5255, 9490, 10510, 13663, 27326, 68315, 76723, 136630, 153446, 383615, 767230, 997399, 1994798, 4986995, 9973990]

約数ペア:

[(1, 9973990), (2, 4986995), (5, 1994798), (10, 997399), (13, 767230), (26, 383615), (65, 153446), (73, 136630), (130, 76723), (146, 68315), (365, 27326), (730, 13663), (949, 10510), (1051, 9490), (1898, 5255), (2102, 4745)]