39987112

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 83430900

約数和(自身を除く): 43443788

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 409, 484, 808, 818, 968, 1111, 1636, 2222, 3272, 4444, 4499, 8888, 8998, 12221, 17996, 24442, 35992, 41309, 48884, 49489, 82618, 97768, 98978, 165236, 197956, 330472, 395912, 454399, 908798, 1817596, 3635192, 4998389, 9996778, 19993556, 39987112]

約数ペア:

[(1, 39987112), (2, 19993556), (4, 9996778), (8, 4998389), (11, 3635192), (22, 1817596), (44, 908798), (88, 454399), (101, 395912), (121, 330472), (202, 197956), (242, 165236), (404, 98978), (409, 97768), (484, 82618), (808, 49489), (818, 48884), (968, 41309), (1111, 35992), (1636, 24442), (2222, 17996), (3272, 12221), (4444, 8998), (4499, 8888)]