1389343466

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2420459}}^1$

素因数の和:2420509

約数の個数: 16

約数和(自身を含む): 2439823680

約数和(自身を除く): 1050480214

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 2420459, 4840918, 16943213, 33886426, 99238819, 198477638, 694671733, 1389343466]

約数ペア:

[(1, 1389343466), (2, 694671733), (7, 198477638), (14, 99238819), (41, 33886426), (82, 16943213), (287, 4840918), (574, 2420459)]