25666568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 51084000

約数和(自身を除く): 25417432

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 1289, 2489, 2578, 4978, 5156, 9956, 10312, 19912, 24491, 48982, 97964, 168859, 195928, 337718, 675436, 1350872, 3208321, 6416642, 12833284, 25666568]

約数ペア:

[(1, 25666568), (2, 12833284), (4, 6416642), (8, 3208321), (19, 1350872), (38, 675436), (76, 337718), (131, 195928), (152, 168859), (262, 97964), (524, 48982), (1048, 24491), (1289, 19912), (2489, 10312), (2578, 9956), (4978, 5156)]