1988406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 5051904

約数和(自身を除く): 3063498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 367, 387, 602, 734, 774, 903, 1101, 1806, 2202, 2569, 2709, 3303, 5138, 5418, 6606, 7707, 15414, 15781, 23121, 31562, 46242, 47343, 94686, 110467, 142029, 220934, 284058, 331401, 662802, 994203, 1988406]

約数ペア:

[(1, 1988406), (2, 994203), (3, 662802), (6, 331401), (7, 284058), (9, 220934), (14, 142029), (18, 110467), (21, 94686), (42, 47343), (43, 46242), (63, 31562), (86, 23121), (126, 15781), (129, 15414), (258, 7707), (301, 6606), (367, 5418), (387, 5138), (602, 3303), (734, 2709), (774, 2569), (903, 2202), (1101, 1806)]