2791649

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 3338496

約数和(自身を除く): 546847

約数列:

[1, 7, 41, 71, 137, 287, 497, 959, 2911, 5617, 9727, 20377, 39319, 68089, 398807, 2791649]

約数ペア:

[(1, 2791649), (7, 398807), (41, 68089), (71, 39319), (137, 20377), (287, 9727), (497, 5617), (959, 2911)]