129599928

素因数分解:

$2^3\times 3^2\times {\mathrm{1799999}}^1$

素因数の和:1800011

約数の個数: 24

約数和(自身を含む): 351000000

約数和(自身を除く): 221400072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1799999, 3599998, 5399997, 7199996, 10799994, 14399992, 16199991, 21599988, 32399982, 43199976, 64799964, 129599928]

約数ペア:

[(1, 129599928), (2, 64799964), (3, 43199976), (4, 32399982), (6, 21599988), (8, 16199991), (9, 14399992), (12, 10799994), (18, 7199996), (24, 5399997), (36, 3599998), (72, 1799999)]