81563356

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93967}}^1$

素因数の和:94009

約数の個数: 24

約数和(自身を含む): 168390656

約数和(自身を除く): 86827300

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93967, 187934, 375868, 657769, 1315538, 2631076, 2912977, 5825954, 11651908, 20390839, 40781678, 81563356]

約数ペア:

[(1, 81563356), (2, 40781678), (4, 20390839), (7, 11651908), (14, 5825954), (28, 2912977), (31, 2631076), (62, 1315538), (124, 657769), (217, 375868), (434, 187934), (868, 93967)]