12897968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47419}}^1$

素因数の和:47444

約数の個数: 20

約数和(自身を含む): 26460360

約数和(自身を除く): 13562392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 47419, 94838, 189676, 379352, 758704, 806123, 1612246, 3224492, 6448984, 12897968]

約数ペア:

[(1, 12897968), (2, 6448984), (4, 3224492), (8, 1612246), (16, 806123), (17, 758704), (34, 379352), (68, 189676), (136, 94838), (272, 47419)]