78870421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4404

約数の個数: 16

約数和(自身を含む): 93899520

約数和(自身を除く): 15029099

約数列:

[1, 7, 37, 71, 259, 497, 2627, 4289, 18389, 30023, 158693, 304519, 1110851, 2131633, 11267203, 78870421]

約数ペア:

[(1, 78870421), (7, 11267203), (37, 2131633), (71, 1110851), (259, 304519), (497, 158693), (2627, 30023), (4289, 18389)]