85118672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{123719}}^1$

素因数の和:123770

約数の個数: 20

約数和(自身を含む): 168754080

約数和(自身を除く): 83635408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 123719, 247438, 494876, 989752, 1979504, 5319917, 10639834, 21279668, 42559336, 85118672]

約数ペア:

[(1, 85118672), (2, 42559336), (4, 21279668), (8, 10639834), (16, 5319917), (43, 1979504), (86, 989752), (172, 494876), (344, 247438), (688, 123719)]