28543385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2797}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 37135056

約数和(自身を除く): 8591671

約数列:

[1, 5, 13, 65, 157, 785, 2041, 2797, 10205, 13985, 36361, 181805, 439129, 2195645, 5708677, 28543385]

約数ペア:

[(1, 28543385), (5, 5708677), (13, 2195645), (65, 439129), (157, 181805), (785, 36361), (2041, 13985), (2797, 10205)]