28319585

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 41091072

約数和(自身を除く): 12771487

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 607, 1085, 1333, 1505, 3035, 4249, 6665, 9331, 18817, 21245, 26101, 46655, 94085, 130505, 131719, 182707, 658595, 809131, 913535, 4045655, 5663917, 28319585]

約数ペア:

[(1, 28319585), (5, 5663917), (7, 4045655), (31, 913535), (35, 809131), (43, 658595), (155, 182707), (215, 131719), (217, 130505), (301, 94085), (607, 46655), (1085, 26101), (1333, 21245), (1505, 18817), (3035, 9331), (4249, 6665)]