639710928

素因数分解:

$2^4\times 3^2\times {\mathrm{4442437}}^1$

素因数の和:4442451

約数の個数: 30

約数和(自身を含む): 1790302514

約数和(自身を除く): 1150591586

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4442437, 8884874, 13327311, 17769748, 26654622, 35539496, 39981933, 53309244, 71078992, 79963866, 106618488, 159927732, 213236976, 319855464, 639710928]

約数ペア:

[(1, 639710928), (2, 319855464), (3, 213236976), (4, 159927732), (6, 106618488), (8, 79963866), (9, 71078992), (12, 53309244), (16, 39981933), (18, 35539496), (24, 26654622), (36, 17769748), (48, 13327311), (72, 8884874), (144, 4442437)]