7678905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 13499136

約数和(自身を除く): 5820231

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 743, 795, 2067, 2229, 3445, 3715, 9659, 10335, 11145, 28977, 39379, 48295, 118137, 144885, 196895, 511927, 590685, 1535781, 2559635, 7678905]

約数ペア:

[(1, 7678905), (3, 2559635), (5, 1535781), (13, 590685), (15, 511927), (39, 196895), (53, 144885), (65, 118137), (159, 48295), (195, 39379), (265, 28977), (689, 11145), (743, 10335), (795, 9659), (2067, 3715), (2229, 3445)]