2078506619

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211639}}^1$

素因数の和:211730

約数の個数: 16

約数和(自身を含む): 2519362560

約数和(自身を除く): 440855941

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 211639, 1481473, 4867697, 12909979, 34073879, 90369853, 296929517, 2078506619]

約数ペア:

[(1, 2078506619), (7, 296929517), (23, 90369853), (61, 34073879), (161, 12909979), (427, 4867697), (1403, 1481473), (9821, 211639)]