12720160873

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{3919}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 15353856000

約数和(自身を除く): 2633695127

約数列:

[1, 7, 29, 59, 203, 271, 413, 1711, 1897, 3919, 7859, 11977, 15989, 27433, 55013, 111923, 113651, 231221, 463681, 795557, 1062049, 1618547, 3245767, 6705409, 7434343, 30799421, 46937863, 62660891, 215595947, 438626237, 1817165839, 12720160873]

約数ペア:

[(1, 12720160873), (7, 1817165839), (29, 438626237), (59, 215595947), (203, 62660891), (271, 46937863), (413, 30799421), (1711, 7434343), (1897, 6705409), (3919, 3245767), (7859, 1618547), (11977, 1062049), (15989, 795557), (27433, 463681), (55013, 231221), (111923, 113651)]