71781426

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{56167}}^1$

素因数の和:56246

約数の個数: 24

約数和(自身を含む): 157719744

約数和(自身を除く): 85938318

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 56167, 112334, 168501, 337002, 505503, 1011006, 3987857, 7975714, 11963571, 23927142, 35890713, 71781426]

約数ペア:

[(1, 71781426), (2, 35890713), (3, 23927142), (6, 11963571), (9, 7975714), (18, 3987857), (71, 1011006), (142, 505503), (213, 337002), (426, 168501), (639, 112334), (1278, 56167)]