28244148

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{21997}}^1$

素因数の和:22111

約数の個数: 24

約数和(自身を含む): 66521952

約数和(自身を除く): 38277804

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 21997, 43994, 65991, 87988, 131982, 263964, 2353679, 4707358, 7061037, 9414716, 14122074, 28244148]

約数ペア:

[(1, 28244148), (2, 14122074), (3, 9414716), (4, 7061037), (6, 4707358), (12, 2353679), (107, 263964), (214, 131982), (321, 87988), (428, 65991), (642, 43994), (1284, 21997)]