2780581993

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1483}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 3350753280

約数和(自身を除く): 570171287

約数列:

[1, 7, 41, 47, 139, 287, 329, 973, 1483, 1927, 5699, 6533, 10381, 13489, 39893, 45731, 60803, 69701, 206137, 267853, 425621, 487907, 1442959, 1874971, 2857741, 8451617, 9688439, 20004187, 59161319, 67819073, 397225999, 2780581993]

約数ペア:

[(1, 2780581993), (7, 397225999), (41, 67819073), (47, 59161319), (139, 20004187), (287, 9688439), (329, 8451617), (973, 2857741), (1483, 1874971), (1927, 1442959), (5699, 487907), (6533, 425621), (10381, 267853), (13489, 206137), (39893, 69701), (45731, 60803)]