12780235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2027}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 16694496

約数和(自身を除く): 3914261

約数列:

[1, 5, 13, 65, 97, 485, 1261, 2027, 6305, 10135, 26351, 131755, 196619, 983095, 2556047, 12780235]

約数ペア:

[(1, 12780235), (5, 2556047), (13, 983095), (65, 196619), (97, 131755), (485, 26351), (1261, 10135), (2027, 6305)]