16921964647

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{3319}}^1\times {\mathrm{15497}}^1$

素因数の和:18870

約数の個数: 16

約数和(自身を含む): 19758090240

約数和(自身を除く): 2836125593

約数列:

[1, 7, 47, 329, 3319, 15497, 23233, 108479, 155993, 728359, 1091951, 5098513, 51434543, 360041801, 2417423521, 16921964647]

約数ペア:

[(1, 16921964647), (7, 2417423521), (47, 360041801), (329, 51434543), (3319, 5098513), (15497, 1091951), (23233, 728359), (108479, 155993)]