198901808

素因数分解:

$2^4\times 7^1\times {\mathrm{1775909}}^1$

素因数の和:1775924

約数の個数: 20

約数和(自身を含む): 440425680

約数和(自身を除く): 241523872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1775909, 3551818, 7103636, 12431363, 14207272, 24862726, 28414544, 49725452, 99450904, 198901808]

約数ペア:

[(1, 198901808), (2, 99450904), (4, 49725452), (7, 28414544), (8, 24862726), (14, 14207272), (16, 12431363), (28, 7103636), (56, 3551818), (112, 1775909)]