812667568

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 1594183680

約数和(自身を除く): 781516112

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 479, 856, 958, 991, 1712, 1916, 1982, 3832, 3964, 7664, 7928, 15856, 51253, 102506, 106037, 205012, 212074, 410024, 424148, 474689, 820048, 848296, 949378, 1696592, 1898756, 3797512, 7595024, 50791723, 101583446, 203166892, 406333784, 812667568]

約数ペア:

[(1, 812667568), (2, 406333784), (4, 203166892), (8, 101583446), (16, 50791723), (107, 7595024), (214, 3797512), (428, 1898756), (479, 1696592), (856, 949378), (958, 848296), (991, 820048), (1712, 474689), (1916, 424148), (1982, 410024), (3832, 212074), (3964, 205012), (7664, 106037), (7928, 102506), (15856, 51253)]