858880001

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 1078947072

約数和(自身を除く): 220067071

約数列:

[1, 7, 17, 37, 97, 119, 259, 629, 679, 1649, 2011, 3589, 4403, 11543, 14077, 25123, 34187, 61013, 74407, 195067, 239309, 427091, 520849, 1264919, 1365469, 3316139, 7217479, 8854433, 23212973, 50522353, 122697143, 858880001]

約数ペア:

[(1, 858880001), (7, 122697143), (17, 50522353), (37, 23212973), (97, 8854433), (119, 7217479), (259, 3316139), (629, 1365469), (679, 1264919), (1649, 520849), (2011, 427091), (3589, 239309), (4403, 195067), (11543, 74407), (14077, 61013), (25123, 34187)]