209225317

素因数分解:

$7^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 241702272

約数和(自身を除く): 32476955

約数列:

[1, 7, 193, 251, 617, 1351, 1757, 4319, 48443, 119081, 154867, 339101, 833567, 1084069, 29889331, 209225317]

約数ペア:

[(1, 209225317), (7, 29889331), (193, 1084069), (251, 833567), (617, 339101), (1351, 154867), (1757, 119081), (4319, 48443)]