664751195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2389}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 877608000

約数和(自身を除く): 212856805

約数列:

[1, 5, 19, 29, 95, 101, 145, 505, 551, 1919, 2389, 2755, 2929, 9595, 11945, 14645, 45391, 55651, 69281, 226955, 241289, 278255, 346405, 1206445, 1316339, 4584491, 6581695, 6997381, 22922455, 34986905, 132950239, 664751195]

約数ペア:

[(1, 664751195), (5, 132950239), (19, 34986905), (29, 22922455), (95, 6997381), (101, 6581695), (145, 4584491), (505, 1316339), (551, 1206445), (1919, 346405), (2389, 278255), (2755, 241289), (2929, 226955), (9595, 69281), (11945, 55651), (14645, 45391)]