219829519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{4337}}^1$

素因数の和:4914

約数の個数: 16

約数和(自身を含む): 271107648

約数和(自身を除く): 51278129

約数列:

[1, 7, 13, 91, 557, 3899, 4337, 7241, 30359, 50687, 56381, 394667, 2415709, 16909963, 31404217, 219829519]

約数ペア:

[(1, 219829519), (7, 31404217), (13, 16909963), (91, 2415709), (557, 394667), (3899, 56381), (4337, 50687), (7241, 30359)]