78415561

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{809}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 91601280

約数和(自身を除く): 13185719

約数列:

[1, 7, 61, 227, 427, 809, 1589, 5663, 13847, 49349, 96929, 183643, 345443, 1285501, 11202223, 78415561]

約数ペア:

[(1, 78415561), (7, 11202223), (61, 1285501), (227, 345443), (427, 183643), (809, 96929), (1589, 49349), (5663, 13847)]