209986812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{833281}}^1$

素因数の和:833298

約数の個数: 36

約数和(自身を含む): 606629296

約数和(自身を除く): 396642484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 833281, 1666562, 2499843, 3333124, 4999686, 5832967, 7499529, 9999372, 11665934, 14999058, 17498901, 23331868, 29998116, 34997802, 52496703, 69995604, 104993406, 209986812]

約数ペア:

[(1, 209986812), (2, 104993406), (3, 69995604), (4, 52496703), (6, 34997802), (7, 29998116), (9, 23331868), (12, 17498901), (14, 14999058), (18, 11665934), (21, 9999372), (28, 7499529), (36, 5832967), (42, 4999686), (63, 3333124), (84, 2499843), (126, 1666562), (252, 833281)]