28397515

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 6438965

約数列:

[1, 5, 71, 167, 355, 479, 835, 2395, 11857, 34009, 59285, 79993, 170045, 399965, 5679503, 28397515]

約数ペア:

[(1, 28397515), (5, 5679503), (71, 399965), (167, 170045), (355, 79993), (479, 59285), (835, 34009), (2395, 11857)]