25606217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 8155063

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 313, 377, 403, 899, 2191, 2639, 2821, 4069, 6293, 9077, 9703, 11687, 28483, 63539, 67921, 81809, 118001, 126139, 281387, 826007, 882973, 1969709, 3658031, 25606217]

約数ペア:

[(1, 25606217), (7, 3658031), (13, 1969709), (29, 882973), (31, 826007), (91, 281387), (203, 126139), (217, 118001), (313, 81809), (377, 67921), (403, 63539), (899, 28483), (2191, 11687), (2639, 9703), (2821, 9077), (4069, 6293)]