31581706

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:670

約数の個数: 24

約数和(自身を含む): 51649920

約数和(自身を除く): 20068214

約数列:

[1, 2, 13, 26, 169, 223, 338, 419, 446, 838, 2899, 5447, 5798, 10894, 37687, 70811, 75374, 93437, 141622, 186874, 1214681, 2429362, 15790853, 31581706]

約数ペア:

[(1, 31581706), (2, 15790853), (13, 2429362), (26, 1214681), (169, 186874), (223, 141622), (338, 93437), (419, 75374), (446, 70811), (838, 37687), (2899, 10894), (5447, 5798)]