538207974

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{421133}}^1$

素因数の和:421212

約数の個数: 24

約数和(自身を含む): 1182544272

約数和(自身を除く): 644336298

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 421133, 842266, 1263399, 2526798, 3790197, 7580394, 29900443, 59800886, 89701329, 179402658, 269103987, 538207974]

約数ペア:

[(1, 538207974), (2, 269103987), (3, 179402658), (6, 89701329), (9, 59800886), (18, 29900443), (71, 7580394), (142, 3790197), (213, 2526798), (426, 1263399), (639, 842266), (1278, 421133)]