28308085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1097}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 36708336

約数和(自身を除く): 8400251

約数列:

[1, 5, 13, 65, 397, 1097, 1985, 5161, 5485, 14261, 25805, 71305, 435509, 2177545, 5661617, 28308085]

約数ペア:

[(1, 28308085), (5, 5661617), (13, 2177545), (65, 435509), (397, 71305), (1097, 25805), (1985, 14261), (5161, 5485)]