128879928

素因数分解:

$2^3\times 3^2\times {\mathrm{1789999}}^1$

素因数の和:1790011

約数の個数: 24

約数和(自身を含む): 349050000

約数和(自身を除く): 220170072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1789999, 3579998, 5369997, 7159996, 10739994, 14319992, 16109991, 21479988, 32219982, 42959976, 64439964, 128879928]

約数ペア:

[(1, 128879928), (2, 64439964), (3, 42959976), (4, 32219982), (6, 21479988), (8, 16109991), (9, 14319992), (12, 10739994), (18, 7159996), (24, 5369997), (36, 3579998), (72, 1789999)]