668927423

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 739694592

約数和(自身を除く): 70767169

約数列:

[1, 23, 41, 71, 97, 103, 943, 1633, 2231, 2369, 2911, 3977, 4223, 6887, 7313, 9991, 66953, 91471, 97129, 158401, 168199, 229793, 282367, 299833, 409631, 709361, 6494441, 6896159, 9421513, 16315303, 29083801, 668927423]

約数ペア:

[(1, 668927423), (23, 29083801), (41, 16315303), (71, 9421513), (97, 6896159), (103, 6494441), (943, 709361), (1633, 409631), (2231, 299833), (2369, 282367), (2911, 229793), (3977, 168199), (4223, 158401), (6887, 97129), (7313, 91471), (9991, 66953)]