855266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 16

約数和(自身を含む): 1373760

約数和(自身を除く): 518494

約数列:

[1, 2, 19, 38, 71, 142, 317, 634, 1349, 2698, 6023, 12046, 22507, 45014, 427633, 855266]

約数ペア:

[(1, 855266), (2, 427633), (19, 45014), (38, 22507), (71, 12046), (142, 6023), (317, 2698), (634, 1349)]