2489353909

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{39971}}^1$

素因数の和:40057

約数の個数: 24

約数和(自身を含む): 3062174976

約数和(自身を除く): 572821067

約数列:

[1, 7, 31, 41, 49, 217, 287, 1271, 1519, 2009, 8897, 39971, 62279, 279797, 1239101, 1638811, 1958579, 8673707, 11471677, 50803141, 60715949, 80301739, 355621987, 2489353909]

約数ペア:

[(1, 2489353909), (7, 355621987), (31, 80301739), (41, 60715949), (49, 50803141), (217, 11471677), (287, 8673707), (1271, 1958579), (1519, 1638811), (2009, 1239101), (8897, 279797), (39971, 62279)]