68981510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17117}}^1$

素因数の和:17168

約数の個数: 32

約数和(自身を含む): 138039552

約数和(自身を除く): 69058042

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 17117, 34234, 85585, 171170, 222521, 445042, 530627, 1061254, 1112605, 2225210, 2653135, 5306270, 6898151, 13796302, 34490755, 68981510]

約数ペア:

[(1, 68981510), (2, 34490755), (5, 13796302), (10, 6898151), (13, 5306270), (26, 2653135), (31, 2225210), (62, 1112605), (65, 1061254), (130, 530627), (155, 445042), (310, 222521), (403, 171170), (806, 85585), (2015, 34234), (4030, 17117)]