211231678

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{3109}}^1$

素因数の和:3352

約数の個数: 32

約数和(自身を含む): 379768320

約数和(自身を除く): 168536642

約数列:

[1, 2, 7, 14, 23, 46, 161, 211, 322, 422, 1477, 2954, 3109, 4853, 6218, 9706, 21763, 33971, 43526, 67942, 71507, 143014, 500549, 655999, 1001098, 1311998, 4591993, 9183986, 15087977, 30175954, 105615839, 211231678]

約数ペア:

[(1, 211231678), (2, 105615839), (7, 30175954), (14, 15087977), (23, 9183986), (46, 4591993), (161, 1311998), (211, 1001098), (322, 655999), (422, 500549), (1477, 143014), (2954, 71507), (3109, 67942), (4853, 43526), (6218, 33971), (9706, 21763)]