9996778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 24

約数和(自身を含む): 16686180

約数和(自身を除く): 6689402

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 409, 818, 1111, 2222, 4499, 8998, 12221, 24442, 41309, 49489, 82618, 98978, 454399, 908798, 4998389, 9996778]

約数ペア:

[(1, 9996778), (2, 4998389), (11, 908798), (22, 454399), (101, 98978), (121, 82618), (202, 49489), (242, 41309), (409, 24442), (818, 12221), (1111, 8998), (2222, 4499)]