28987534

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 44056800

約数和(自身を除く): 15069266

約数列:

[1, 2, 173, 199, 346, 398, 421, 842, 34427, 68854, 72833, 83779, 145666, 167558, 14493767, 28987534]

約数ペア:

[(1, 28987534), (2, 14493767), (173, 167558), (199, 145666), (346, 83779), (398, 72833), (421, 68854), (842, 34427)]