28945085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4409}}^1$

素因数の和:4528

約数の個数: 16

約数和(自身を含む): 37784880

約数和(自身を除く): 8839795

約数列:

[1, 5, 13, 65, 101, 505, 1313, 4409, 6565, 22045, 57317, 286585, 445309, 2226545, 5789017, 28945085]

約数ペア:

[(1, 28945085), (5, 5789017), (13, 2226545), (65, 445309), (101, 286585), (505, 57317), (1313, 22045), (4409, 6565)]