128178071

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{7951}}^1$

素因数の和:8019

約数の個数: 16

約数和(自身を含む): 152678400

約数和(自身を除く): 24500329

約数列:

[1, 7, 47, 49, 329, 343, 2303, 7951, 16121, 55657, 373697, 389599, 2615879, 2727193, 18311153, 128178071]

約数ペア:

[(1, 128178071), (7, 18311153), (47, 2727193), (49, 2615879), (329, 389599), (343, 373697), (2303, 55657), (7951, 16121)]