664991663

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{142427}}^1$

素因数の和:142486

約数の個数: 16

約数和(自身を含む): 820385280

約数和(自身を除く): 155393617

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 142427, 996989, 3275821, 4130383, 22930747, 28912681, 94998809, 664991663]

約数ペア:

[(1, 664991663), (7, 94998809), (23, 28912681), (29, 22930747), (161, 4130383), (203, 3275821), (667, 996989), (4669, 142427)]