81478544

素因数分解:

$2^4\times 7^1\times {\mathrm{727487}}^1$

素因数の和:727502

約数の個数: 20

約数和(自身を含む): 180417024

約数和(自身を除く): 98938480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 727487, 1454974, 2909948, 5092409, 5819896, 10184818, 11639792, 20369636, 40739272, 81478544]

約数ペア:

[(1, 81478544), (2, 40739272), (4, 20369636), (7, 11639792), (8, 10184818), (14, 5819896), (16, 5092409), (28, 2909948), (56, 1454974), (112, 727487)]