861442

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 16

約数和(自身を含む): 1374912

約数和(自身を除く): 513470

約数列:

[1, 2, 23, 46, 61, 122, 307, 614, 1403, 2806, 7061, 14122, 18727, 37454, 430721, 861442]

約数ペア:

[(1, 861442), (2, 430721), (23, 37454), (46, 18727), (61, 14122), (122, 7061), (307, 2806), (614, 1403)]