1243289747

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{20771}}^1$

素因数の和:21298

約数の個数: 16

約数和(自身を含む): 1507548672

約数和(自身を除く): 264258925

約数列:

[1, 7, 17, 119, 503, 3521, 8551, 20771, 59857, 145397, 353107, 2471749, 10447813, 73134691, 177612821, 1243289747]

約数ペア:

[(1, 1243289747), (7, 177612821), (17, 73134691), (119, 10447813), (503, 2471749), (3521, 353107), (8551, 145397), (20771, 59857)]