355994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 16

約数和(自身を含む): 570240

約数和(自身を除く): 214246

約数列:

[1, 2, 23, 46, 71, 109, 142, 218, 1633, 2507, 3266, 5014, 7739, 15478, 177997, 355994]

約数ペア:

[(1, 355994), (2, 177997), (23, 15478), (46, 7739), (71, 5014), (109, 3266), (142, 2507), (218, 1633)]