13211996

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1213}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 26513760

約数和(自身を除く): 13301764

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1213, 1556, 2426, 2723, 4852, 5446, 8491, 10892, 16982, 33964, 471857, 943714, 1887428, 3302999, 6605998, 13211996]

約数ペア:

[(1, 13211996), (2, 6605998), (4, 3302999), (7, 1887428), (14, 943714), (28, 471857), (389, 33964), (778, 16982), (1213, 10892), (1556, 8491), (2426, 5446), (2723, 4852)]