1891617362

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{49667}}^1$

素因数の和:49945

約数の個数: 16

約数和(自身を含む): 2878757280

約数和(自身を除く): 987139918

約数列:

[1, 2, 137, 139, 274, 278, 19043, 38086, 49667, 99334, 6804379, 6903713, 13608758, 13807426, 945808681, 1891617362]

約数ペア:

[(1, 1891617362), (2, 945808681), (137, 13807426), (139, 13608758), (274, 6903713), (278, 6804379), (19043, 99334), (38086, 49667)]