31423906

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{839}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 48121920

約数和(自身を除く): 16698014

約数列:

[1, 2, 61, 122, 307, 614, 839, 1678, 18727, 37454, 51179, 102358, 257573, 515146, 15711953, 31423906]

約数ペア:

[(1, 31423906), (2, 15711953), (61, 515146), (122, 257573), (307, 102358), (614, 51179), (839, 37454), (1678, 18727)]