12730860545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{28439}}^1$

素因数の和:28625

約数の個数: 32

約数和(自身を含む): 16856501760

約数和(自身を除く): 4125641215

約数列:

[1, 5, 13, 65, 71, 97, 355, 485, 923, 1261, 4615, 6305, 6887, 28439, 34435, 89531, 142195, 369707, 447655, 1848535, 2019169, 2758583, 10095845, 13792915, 26249197, 35861579, 131245985, 179307895, 195859393, 979296965, 2546172109, 12730860545]

約数ペア:

[(1, 12730860545), (5, 2546172109), (13, 979296965), (65, 195859393), (71, 179307895), (97, 131245985), (355, 35861579), (485, 26249197), (923, 13792915), (1261, 10095845), (4615, 2758583), (6305, 2019169), (6887, 1848535), (28439, 447655), (34435, 369707), (89531, 142195)]