28788571

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 34573824

約数和(自身を除く): 5785253

約数列:

[1, 7, 23, 161, 163, 1097, 1141, 3749, 7679, 25231, 26243, 176617, 178811, 1251677, 4112653, 28788571]

約数ペア:

[(1, 28788571), (7, 4112653), (23, 1251677), (161, 178811), (163, 176617), (1097, 26243), (1141, 25231), (3749, 7679)]