2190206785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{378601}}^1$

素因数の和:378708

約数の個数: 16

約数和(自身を含む): 2862231120

約数和(自身を除く): 672024335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 378601, 1893005, 4921813, 24609065, 33695489, 168477445, 438041357, 2190206785]

約数ペア:

[(1, 2190206785), (5, 438041357), (13, 168477445), (65, 33695489), (89, 24609065), (445, 4921813), (1157, 1893005), (5785, 378601)]