28792309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2957}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 35779968

約数和(自身を除く): 6987659

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2957, 9737, 20699, 38441, 269087, 316399, 2214793, 4113187, 28792309]

約数ペア:

[(1, 28792309), (7, 4113187), (13, 2214793), (91, 316399), (107, 269087), (749, 38441), (1391, 20699), (2957, 9737)]