2055781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 2822400

約数和(自身を除く): 766619

約数列:

[1, 7, 13, 19, 29, 41, 91, 133, 203, 247, 287, 377, 533, 551, 779, 1189, 1729, 2639, 3731, 3857, 5453, 7163, 8323, 10127, 15457, 22591, 50141, 70889, 108199, 158137, 293683, 2055781]

約数ペア:

[(1, 2055781), (7, 293683), (13, 158137), (19, 108199), (29, 70889), (41, 50141), (91, 22591), (133, 15457), (203, 10127), (247, 8323), (287, 7163), (377, 5453), (533, 3857), (551, 3731), (779, 2639), (1189, 1729)]