220544219

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{1301}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 257025216

約数和(自身を除く): 36480997

約数列:

[1, 7, 61, 397, 427, 1301, 2779, 9107, 24217, 79361, 169519, 516497, 555527, 3615479, 31506317, 220544219]

約数ペア:

[(1, 220544219), (7, 31506317), (61, 3615479), (397, 555527), (427, 516497), (1301, 169519), (2779, 79361), (9107, 24217)]