201921811

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{11497}}^1$

素因数の和:11710

約数の個数: 16

約数和(自身を含む): 249828544

約数和(自身を除く): 47906733

約数列:

[1, 7, 13, 91, 193, 1351, 2509, 11497, 17563, 80479, 149461, 1046227, 2218921, 15532447, 28845973, 201921811]

約数ペア:

[(1, 201921811), (7, 28845973), (13, 15532447), (91, 2218921), (193, 1046227), (1351, 149461), (2509, 80479), (11497, 17563)]