81306736

素因数分解:

$2^4\times 7^1\times {\mathrm{725953}}^1$

素因数の和:725968

約数の個数: 20

約数和(自身を含む): 180036592

約数和(自身を除く): 98729856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725953, 1451906, 2903812, 5081671, 5807624, 10163342, 11615248, 20326684, 40653368, 81306736]

約数ペア:

[(1, 81306736), (2, 40653368), (4, 20326684), (7, 11615248), (8, 10163342), (14, 5807624), (16, 5081671), (28, 2903812), (56, 1451906), (112, 725953)]