664756225

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 961652736

約数和(自身を除く): 296896511

約数列:

[1, 5, 7, 25, 35, 107, 131, 175, 271, 535, 655, 749, 917, 1355, 1897, 2675, 3275, 3745, 4585, 6775, 9485, 14017, 18725, 22925, 28997, 35501, 47425, 70085, 98119, 144985, 177505, 202979, 248507, 350425, 490595, 724925, 887525, 1014895, 1242535, 2452975, 3798607, 5074475, 6212675, 18993035, 26590249, 94965175, 132951245, 664756225]

約数ペア:

[(1, 664756225), (5, 132951245), (7, 94965175), (25, 26590249), (35, 18993035), (107, 6212675), (131, 5074475), (175, 3798607), (271, 2452975), (535, 1242535), (655, 1014895), (749, 887525), (917, 724925), (1355, 490595), (1897, 350425), (2675, 248507), (3275, 202979), (3745, 177505), (4585, 144985), (6775, 98119), (9485, 70085), (14017, 47425), (18725, 35501), (22925, 28997)]