639968791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{7297}}^1$

素因数の和:7399

約数の個数: 32

約数和(自身を含む): 857544192

約数和(自身を除く): 217575401

約数列:

[1, 7, 11, 17, 67, 77, 119, 187, 469, 737, 1139, 1309, 5159, 7297, 7973, 12529, 51079, 80267, 87703, 124049, 488899, 561869, 868343, 1364539, 3422293, 5377889, 8311283, 9551773, 37645223, 58178981, 91424113, 639968791]

約数ペア:

[(1, 639968791), (7, 91424113), (11, 58178981), (17, 37645223), (67, 9551773), (77, 8311283), (119, 5377889), (187, 3422293), (469, 1364539), (737, 868343), (1139, 561869), (1309, 488899), (5159, 124049), (7297, 87703), (7973, 80267), (12529, 51079)]