420404543

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 484814400

約数和(自身を除く): 64409857

約数列:

[1, 13, 17, 149, 221, 289, 751, 1937, 2533, 3757, 9763, 12767, 32929, 43061, 111899, 165971, 217039, 559793, 1454687, 1902283, 2821507, 24729679, 32338811, 420404543]

約数ペア:

[(1, 420404543), (13, 32338811), (17, 24729679), (149, 2821507), (221, 1902283), (289, 1454687), (751, 559793), (1937, 217039), (2533, 165971), (3757, 111899), (9763, 43061), (12767, 32929)]