7678985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 9923472

約数和(自身を除く): 2244487

約数列:

[1, 5, 17, 61, 85, 305, 1037, 1481, 5185, 7405, 25177, 90341, 125885, 451705, 1535797, 7678985]

約数ペア:

[(1, 7678985), (5, 1535797), (17, 451705), (61, 125885), (85, 90341), (305, 25177), (1037, 7405), (1481, 5185)]