216868145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{2971}}^1$

素因数の和:4112

約数の個数: 16

約数和(自身を含む): 280604352

約数和(自身を除く): 63736207

約数列:

[1, 5, 13, 65, 1123, 2971, 5615, 14599, 14855, 38623, 72995, 193115, 3336433, 16682165, 43373629, 216868145]

約数ペア:

[(1, 216868145), (5, 43373629), (13, 16682165), (65, 3336433), (1123, 193115), (2971, 72995), (5615, 38623), (14599, 14855)]