25998245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57139}}^1$

素因数の和:57164

約数の個数: 16

約数和(自身を含む): 38398080

約数和(自身を除く): 12399835

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 57139, 285695, 399973, 742807, 1999865, 3714035, 5199649, 25998245]

約数ペア:

[(1, 25998245), (5, 5199649), (7, 3714035), (13, 1999865), (35, 742807), (65, 399973), (91, 285695), (455, 57139)]