28804139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5270

約数の個数: 16

約数和(自身を含む): 36039360

約数和(自身を除く): 7235221

約数列:

[1, 7, 13, 61, 91, 427, 793, 5189, 5551, 36323, 67457, 316529, 472199, 2215703, 4114877, 28804139]

約数ペア:

[(1, 28804139), (7, 4114877), (13, 2215703), (61, 472199), (91, 316529), (427, 67457), (793, 36323), (5189, 5551)]