12903865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3048

約数の個数: 16

約数和(自身を含む): 16930368

約数和(自身を除く): 4026503

約数列:

[1, 5, 13, 65, 67, 335, 871, 2963, 4355, 14815, 38519, 192595, 198521, 992605, 2580773, 12903865]

約数ペア:

[(1, 12903865), (5, 2580773), (13, 992605), (65, 198521), (67, 192595), (335, 38519), (871, 14815), (2963, 4355)]