1640208521

素因数分解:

$7^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1\times {\mathrm{1801}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 1886304768

約数和(自身を除く): 246096247

約数列:

[1, 7, 281, 463, 1801, 1967, 3241, 12607, 130103, 506081, 833863, 910721, 3542567, 5837041, 234315503, 1640208521]

約数ペア:

[(1, 1640208521), (7, 234315503), (281, 5837041), (463, 3542567), (1801, 910721), (1967, 833863), (3241, 506081), (12607, 130103)]