642772907

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9803}}^1$

素因数の和:9875

約数の個数: 32

約数和(自身を含む): 847065600

約数和(自身を除く): 204292693

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 323, 493, 551, 2261, 3451, 3857, 9367, 9803, 65569, 68621, 166651, 186257, 284287, 1166557, 1303799, 1990009, 3166369, 4832879, 5401453, 22164583, 33830153, 37810171, 91824701, 642772907]

約数ペア:

[(1, 642772907), (7, 91824701), (17, 37810171), (19, 33830153), (29, 22164583), (119, 5401453), (133, 4832879), (203, 3166369), (323, 1990009), (493, 1303799), (551, 1166557), (2261, 284287), (3451, 186257), (3857, 166651), (9367, 68621), (9803, 65569)]