647792015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1\times {\mathrm{4721}}^1$

素因数の和:6850

約数の個数: 16

約数和(自身を含む): 837720576

約数和(自身を除く): 189928561

約数列:

[1, 5, 13, 65, 2111, 4721, 10555, 23605, 27443, 61373, 137215, 306865, 9966031, 49830155, 129558403, 647792015]

約数ペア:

[(1, 647792015), (5, 129558403), (13, 49830155), (65, 9966031), (2111, 306865), (4721, 137215), (10555, 61373), (23605, 27443)]