664851986

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{10891}}^1$

素因数の和:11257

約数の個数: 16

約数和(自身を含む): 1009296288

約数和(自身を除く): 344444302

約数列:

[1, 2, 131, 233, 262, 466, 10891, 21782, 30523, 61046, 1426721, 2537603, 2853442, 5075206, 332425993, 664851986]

約数ペア:

[(1, 664851986), (2, 332425993), (131, 5075206), (233, 2853442), (262, 2537603), (466, 1426721), (10891, 61046), (21782, 30523)]