68495575

素因数分解:

$5^2\times {\mathrm{643}}^1\times {\mathrm{4261}}^1$

素因数の和:4914

約数の個数: 12

約数和(自身を含む): 85086568

約数和(自身を除く): 16590993

約数列:

[1, 5, 25, 643, 3215, 4261, 16075, 21305, 106525, 2739823, 13699115, 68495575]

約数ペア:

[(1, 68495575), (5, 13699115), (25, 2739823), (643, 106525), (3215, 21305), (4261, 16075)]