211311718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2273}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 345793536

約数和(自身を除く): 134481818

約数列:

[1, 2, 23, 43, 46, 47, 86, 94, 989, 1081, 1978, 2021, 2162, 2273, 4042, 4546, 46483, 52279, 92966, 97739, 104558, 106831, 195478, 213662, 2247997, 2457113, 4495994, 4593733, 4914226, 9187466, 105655859, 211311718]

約数ペア:

[(1, 211311718), (2, 105655859), (23, 9187466), (43, 4914226), (46, 4593733), (47, 4495994), (86, 2457113), (94, 2247997), (989, 213662), (1081, 195478), (1978, 106831), (2021, 104558), (2162, 97739), (2273, 92966), (4042, 52279), (4546, 46483)]