26981045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 41959680

約数和(自身を除く): 14978635

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3121, 8645, 15605, 21847, 40573, 59299, 109235, 202865, 284011, 296495, 415093, 770887, 1420055, 2075465, 3854435, 5396209, 26981045]

約数ペア:

[(1, 26981045), (5, 5396209), (7, 3854435), (13, 2075465), (19, 1420055), (35, 770887), (65, 415093), (91, 296495), (95, 284011), (133, 202865), (247, 109235), (455, 59299), (665, 40573), (1235, 21847), (1729, 15605), (3121, 8645)]