12571005005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{646823}}^1$

素因数の和:646877

約数の個数: 24

約数和(自身を含む): 17045106048

約数和(自身を除く): 4474101043

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 19435, 646823, 3234115, 8408699, 14876929, 42043495, 74384645, 109313087, 193400077, 546565435, 967000385, 2514201001, 12571005005]

約数ペア:

[(1, 12571005005), (5, 2514201001), (13, 967000385), (23, 546565435), (65, 193400077), (115, 109313087), (169, 74384645), (299, 42043495), (845, 14876929), (1495, 8408699), (3887, 3234115), (19435, 646823)]