74521321

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{877}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 87097600

約数和(自身を除く): 12576279

約数列:

[1, 7, 61, 199, 427, 877, 1393, 6139, 12139, 53497, 84973, 174523, 374479, 1221661, 10645903, 74521321]

約数ペア:

[(1, 74521321), (7, 10645903), (61, 1221661), (199, 374479), (427, 174523), (877, 84973), (1393, 53497), (6139, 12139)]