39978216

素因数分解:

$2^3\times 3^2\times {\mathrm{555253}}^1$

素因数の和:555265

約数の個数: 24

約数和(自身を含む): 108274530

約数和(自身を除く): 68296314

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 555253, 1110506, 1665759, 2221012, 3331518, 4442024, 4997277, 6663036, 9994554, 13326072, 19989108, 39978216]

約数ペア:

[(1, 39978216), (2, 19989108), (3, 13326072), (4, 9994554), (6, 6663036), (8, 4997277), (9, 4442024), (12, 3331518), (18, 2221012), (24, 1665759), (36, 1110506), (72, 555253)]