208295423

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 256431600

約数和(自身を除く): 48136177

約数列:

[1, 7, 19, 49, 133, 229, 931, 977, 1603, 4351, 6839, 11221, 18563, 30457, 47873, 129941, 213199, 223733, 909587, 1566131, 4250927, 10962917, 29756489, 208295423]

約数ペア:

[(1, 208295423), (7, 29756489), (19, 10962917), (49, 4250927), (133, 1566131), (229, 909587), (931, 223733), (977, 213199), (1603, 129941), (4351, 47873), (6839, 30457), (11221, 18563)]