381260876

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 707857920

約数和(自身を除く): 326597044

約数列:

[1, 2, 4, 37, 43, 74, 86, 139, 148, 172, 278, 431, 556, 862, 1591, 1724, 3182, 5143, 5977, 6364, 10286, 11954, 15947, 18533, 20572, 23908, 31894, 37066, 59909, 63788, 74132, 119818, 221149, 239636, 442298, 685721, 884596, 1371442, 2216633, 2576087, 2742884, 4433266, 5152174, 8866532, 10304348, 95315219, 190630438, 381260876]

約数ペア:

[(1, 381260876), (2, 190630438), (4, 95315219), (37, 10304348), (43, 8866532), (74, 5152174), (86, 4433266), (139, 2742884), (148, 2576087), (172, 2216633), (278, 1371442), (431, 884596), (556, 685721), (862, 442298), (1591, 239636), (1724, 221149), (3182, 119818), (5143, 74132), (5977, 63788), (6364, 59909), (10286, 37066), (11954, 31894), (15947, 23908), (18533, 20572)]