68574961

素因数分解:

$7^4\times {\mathrm{13}}^4$

素因数の和:80

約数の個数: 25

約数和(自身を含む): 86665741

約数和(自身を除く): 18090780

約数列:

[1, 7, 13, 49, 91, 169, 343, 637, 1183, 2197, 2401, 4459, 8281, 15379, 28561, 31213, 57967, 107653, 199927, 405769, 753571, 1399489, 5274997, 9796423, 68574961]

約数ペア:

[(1, 68574961), (7, 9796423), (13, 5274997), (49, 1399489), (91, 753571), (169, 405769), (343, 199927), (637, 107653), (1183, 57967), (2197, 31213), (2401, 28561), (4459, 15379)]