440542

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 16

約数和(自身を含む): 705312

約数和(自身を除く): 264770

約数列:

[1, 2, 23, 46, 61, 122, 157, 314, 1403, 2806, 3611, 7222, 9577, 19154, 220271, 440542]

約数ペア:

[(1, 440542), (2, 220271), (23, 19154), (46, 9577), (61, 7222), (122, 3611), (157, 2806), (314, 1403)]