208013708

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{18713}}^1$

素因数の和:19121

約数の個数: 24

約数和(自身を含む): 417097632

約数和(自身を除く): 209083924

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 2779, 5558, 11116, 18713, 37426, 74852, 130991, 261982, 523964, 7429061, 14858122, 29716244, 52003427, 104006854, 208013708]

約数ペア:

[(1, 208013708), (2, 104006854), (4, 52003427), (7, 29716244), (14, 14858122), (28, 7429061), (397, 523964), (794, 261982), (1588, 130991), (2779, 74852), (5558, 37426), (11116, 18713)]