12256517

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 15628032

約数和(自身を除く): 3371515

約数列:

[1, 7, 13, 49, 71, 91, 271, 497, 637, 923, 1897, 3479, 3523, 6461, 13279, 19241, 24661, 45227, 134687, 172627, 250133, 942809, 1750931, 12256517]

約数ペア:

[(1, 12256517), (7, 1750931), (13, 942809), (49, 250133), (71, 172627), (91, 134687), (271, 45227), (497, 24661), (637, 19241), (923, 13279), (1897, 6461), (3479, 3523)]