78985396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90997}}^1$

素因数の和:91039

約数の個数: 24

約数和(自身を含む): 163068416

約数和(自身を除く): 84083020

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90997, 181994, 363988, 636979, 1273958, 2547916, 2820907, 5641814, 11283628, 19746349, 39492698, 78985396]

約数ペア:

[(1, 78985396), (2, 39492698), (4, 19746349), (7, 11283628), (14, 5641814), (28, 2820907), (31, 2547916), (62, 1273958), (124, 636979), (217, 363988), (434, 181994), (868, 90997)]