85721872

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{16901}}^1$

素因数の和:17226

約数の個数: 20

約数和(自身を含む): 166619916

約数和(自身を除く): 80898044

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 16901, 33802, 67604, 135208, 270416, 5357617, 10715234, 21430468, 42860936, 85721872]

約数ペア:

[(1, 85721872), (2, 42860936), (4, 21430468), (8, 10715234), (16, 5357617), (317, 270416), (634, 135208), (1268, 67604), (2536, 33802), (5072, 16901)]