128452816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{472253}}^1$

素因数の和:472278

約数の個数: 20

約数和(自身を含む): 263517732

約数和(自身を除く): 135064916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 472253, 944506, 1889012, 3778024, 7556048, 8028301, 16056602, 32113204, 64226408, 128452816]

約数ペア:

[(1, 128452816), (2, 64226408), (4, 32113204), (8, 16056602), (16, 8028301), (17, 7556048), (34, 3778024), (68, 1889012), (136, 944506), (272, 472253)]