406172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 783216

約数和(自身を除く): 377044

約数列:

[1, 2, 4, 13, 26, 52, 73, 107, 146, 214, 292, 428, 949, 1391, 1898, 2782, 3796, 5564, 7811, 15622, 31244, 101543, 203086, 406172]

約数ペア:

[(1, 406172), (2, 203086), (4, 101543), (13, 31244), (26, 15622), (52, 7811), (73, 5564), (107, 3796), (146, 2782), (214, 1898), (292, 1391), (428, 949)]