215093318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{22271}}^1$

素因数の和:22723

約数の個数: 16

約数和(自身を含む): 352788480

約数和(自身を除く): 137695162

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 22271, 44542, 244981, 489962, 9776969, 19553938, 107546659, 215093318]

約数ペア:

[(1, 215093318), (2, 107546659), (11, 19553938), (22, 9776969), (439, 489962), (878, 244981), (4829, 44542), (9658, 22271)]