640722882

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^2\times {\mathrm{8363}}^1$

素因数の和:8594

約数の個数: 24

約数和(自身を含む): 1293040944

約数和(自身を除く): 652318062

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 8363, 12769, 16726, 25089, 25538, 38307, 50178, 76614, 945019, 1890038, 2835057, 5670114, 106787147, 213574294, 320361441, 640722882]

約数ペア:

[(1, 640722882), (2, 320361441), (3, 213574294), (6, 106787147), (113, 5670114), (226, 2835057), (339, 1890038), (678, 945019), (8363, 76614), (12769, 50178), (16726, 38307), (25089, 25538)]