68516045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 93972480

約数和(自身を除く): 25456435

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 919, 1147, 2015, 2405, 4595, 5735, 11947, 14911, 28489, 34003, 59735, 74555, 142445, 170015, 370357, 442039, 1054093, 1851785, 2210195, 5270465, 13703209, 68516045]

約数ペア:

[(1, 68516045), (5, 13703209), (13, 5270465), (31, 2210195), (37, 1851785), (65, 1054093), (155, 442039), (185, 370357), (403, 170015), (481, 142445), (919, 74555), (1147, 59735), (2015, 34003), (2405, 28489), (4595, 14911), (5735, 11947)]