28081505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7877}}^1$

素因数の和:7936

約数の個数: 16

約数和(自身を含む): 36301824

約数和(自身を除く): 8220319

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 7877, 39385, 181171, 244187, 905855, 1220935, 5616301, 28081505]

約数ペア:

[(1, 28081505), (5, 5616301), (23, 1220935), (31, 905855), (115, 244187), (155, 181171), (713, 39385), (3565, 7877)]