642676349

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1\times {\mathrm{4421}}^1$

素因数の和:5540

約数の個数: 16

約数和(自身を含む): 774026880

約数和(自身を除く): 131350531

約数列:

[1, 7, 19, 133, 1093, 4421, 7651, 20767, 30947, 83999, 145369, 587993, 4832153, 33825071, 91810907, 642676349]

約数ペア:

[(1, 642676349), (7, 91810907), (19, 33825071), (133, 4832153), (1093, 587993), (4421, 145369), (7651, 83999), (20767, 30947)]