17780257

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 20560320

約数和(自身を除く): 2780063

約数列:

[1, 11, 19, 209, 241, 353, 2651, 3883, 4579, 6707, 50369, 73777, 85073, 935803, 1616387, 17780257]

約数ペア:

[(1, 17780257), (11, 1616387), (19, 935803), (209, 85073), (241, 73777), (353, 50369), (2651, 6707), (3883, 4579)]