253293047

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3863}}^1$

素因数の和:3935

約数の個数: 32

約数和(自身を含む): 333849600

約数和(自身を除く): 80556553

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 323, 493, 551, 2261, 3451, 3857, 3863, 9367, 27041, 65569, 65671, 73397, 112027, 459697, 513779, 784189, 1247749, 1904459, 2128513, 8734243, 13331213, 14899591, 36184721, 253293047]

約数ペア:

[(1, 253293047), (7, 36184721), (17, 14899591), (19, 13331213), (29, 8734243), (119, 2128513), (133, 1904459), (203, 1247749), (323, 784189), (493, 513779), (551, 459697), (2261, 112027), (3451, 73397), (3857, 65671), (3863, 65569), (9367, 27041)]