209914978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2293}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 388475136

約数和(自身を除く): 178560158

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 503, 1006, 2293, 3521, 4586, 6539, 7042, 13078, 16051, 29809, 32102, 45773, 59618, 91546, 208663, 417326, 1153379, 2306758, 8073653, 14993927, 16147306, 29987854, 104957489, 209914978]

約数ペア:

[(1, 209914978), (2, 104957489), (7, 29987854), (13, 16147306), (14, 14993927), (26, 8073653), (91, 2306758), (182, 1153379), (503, 417326), (1006, 208663), (2293, 91546), (3521, 59618), (4586, 45773), (6539, 32102), (7042, 29809), (13078, 16051)]