28399595

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35279}}^1$

素因数の和:35314

約数の個数: 16

約数和(自身を含む): 40642560

約数和(自身を除く): 12242965

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35279, 176395, 246953, 811417, 1234765, 4057085, 5679919, 28399595]

約数ペア:

[(1, 28399595), (5, 5679919), (7, 4057085), (23, 1234765), (35, 811417), (115, 246953), (161, 176395), (805, 35279)]