8641996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 16598736

約数和(自身を除く): 7956740

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 997, 1994, 2167, 3988, 4334, 8668, 10967, 21934, 43868, 196409, 392818, 785636, 2160499, 4320998, 8641996]

約数ペア:

[(1, 8641996), (2, 4320998), (4, 2160499), (11, 785636), (22, 392818), (44, 196409), (197, 43868), (394, 21934), (788, 10967), (997, 8668), (1994, 4334), (2167, 3988)]