3989419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 4838400

約数和(自身を除く): 848981

約数列:

[1, 7, 23, 71, 161, 349, 497, 1633, 2443, 8027, 11431, 24779, 56189, 173453, 569917, 3989419]

約数ペア:

[(1, 3989419), (7, 569917), (23, 173453), (71, 56189), (161, 24779), (349, 11431), (497, 8027), (1633, 2443)]