81209328

素因数分解:

$2^4\times 3^1\times {\mathrm{1691861}}^1$

素因数の和:1691872

約数の個数: 20

約数和(自身を含む): 209790888

約数和(自身を除く): 128581560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1691861, 3383722, 5075583, 6767444, 10151166, 13534888, 20302332, 27069776, 40604664, 81209328]

約数ペア:

[(1, 81209328), (2, 40604664), (3, 27069776), (4, 20302332), (6, 13534888), (8, 10151166), (12, 6767444), (16, 5075583), (24, 3383722), (48, 1691861)]