1990508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 3798480

約数和(自身を除く): 1807972

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 379, 404, 758, 1313, 1516, 2626, 4927, 5252, 9854, 19708, 38279, 76558, 153116, 497627, 995254, 1990508]

約数ペア:

[(1, 1990508), (2, 995254), (4, 497627), (13, 153116), (26, 76558), (52, 38279), (101, 19708), (202, 9854), (379, 5252), (404, 4927), (758, 2626), (1313, 1516)]