28575170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219809}}^1$

素因数の和:219829

約数の個数: 16

約数和(自身を含む): 55392120

約数和(自身を除く): 26816950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219809, 439618, 1099045, 2198090, 2857517, 5715034, 14287585, 28575170]

約数ペア:

[(1, 28575170), (2, 14287585), (5, 5715034), (10, 2857517), (13, 2198090), (26, 1099045), (65, 439618), (130, 219809)]