639844562

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{2687}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 1117089792

約数和(自身を除く): 477245230

約数列:

[1, 2, 7, 14, 73, 146, 233, 466, 511, 1022, 1631, 2687, 3262, 5374, 17009, 18809, 34018, 37618, 119063, 196151, 238126, 392302, 626071, 1252142, 1373057, 2746114, 4382497, 8764994, 45703183, 91406366, 319922281, 639844562]

約数ペア:

[(1, 639844562), (2, 319922281), (7, 91406366), (14, 45703183), (73, 8764994), (146, 4382497), (233, 2746114), (466, 1373057), (511, 1252142), (1022, 626071), (1631, 392302), (2687, 238126), (3262, 196151), (5374, 119063), (17009, 37618), (18809, 34018)]