2028689905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{18251}}^1$

素因数の和:18357

約数の個数: 32

約数和(自身を含む): 2775472128

約数和(自身を除く): 746782223

約数列:

[1, 5, 11, 43, 47, 55, 215, 235, 473, 517, 2021, 2365, 2585, 10105, 18251, 22231, 91255, 111155, 200761, 784793, 857797, 1003805, 3923965, 4288985, 8632723, 9435767, 36885271, 43163615, 47178835, 184426355, 405737981, 2028689905]

約数ペア:

[(1, 2028689905), (5, 405737981), (11, 184426355), (43, 47178835), (47, 43163615), (55, 36885271), (215, 9435767), (235, 8632723), (473, 4288985), (517, 3923965), (2021, 1003805), (2365, 857797), (2585, 784793), (10105, 200761), (18251, 111155), (22231, 91255)]