12785731

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 15003648

約数和(自身を除く): 2217917

約数列:

[1, 7, 73, 131, 191, 511, 917, 1337, 9563, 13943, 25021, 66941, 97601, 175147, 1826533, 12785731]

約数ペア:

[(1, 12785731), (7, 1826533), (73, 175147), (131, 97601), (191, 66941), (511, 25021), (917, 13943), (1337, 9563)]