920874241

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{209147}}^1$

素因数の和:209208

約数の個数: 16

約数和(自身を含む): 1144457856

約数和(自身を除く): 223583615

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 209147, 1464029, 3555499, 7738439, 24888493, 54169073, 131553463, 920874241]

約数ペア:

[(1, 920874241), (7, 131553463), (17, 54169073), (37, 24888493), (119, 7738439), (259, 3555499), (629, 1464029), (4403, 209147)]