221265842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{687161}}^1$

素因数の和:687193

約数の個数: 16

約数和(自身を含む): 395805312

約数和(自身を除く): 174539470

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 687161, 1374322, 4810127, 9620254, 15804703, 31609406, 110632921, 221265842]

約数ペア:

[(1, 221265842), (2, 110632921), (7, 31609406), (14, 15804703), (23, 9620254), (46, 4810127), (161, 1374322), (322, 687161)]