215384065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{10453}}^1$

素因数の和:10788

約数の個数: 16

約数和(自身を含む): 279247248

約数和(自身を除く): 63863183

約数列:

[1, 5, 13, 65, 317, 1585, 4121, 10453, 20605, 52265, 135889, 679445, 3313601, 16568005, 43076813, 215384065]

約数ペア:

[(1, 215384065), (5, 43076813), (13, 16568005), (65, 3313601), (317, 679445), (1585, 135889), (4121, 52265), (10453, 20605)]