664839424

素因数分解:

$2^8\times {\mathrm{2597029}}^1$

素因数の和:2597045

約数の個数: 18

約数和(自身を含む): 1327082330

約数和(自身を除く): 662242906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2597029, 5194058, 10388116, 20776232, 41552464, 83104928, 166209856, 332419712, 664839424]

約数ペア:

[(1, 664839424), (2, 332419712), (4, 166209856), (8, 83104928), (16, 41552464), (32, 20776232), (64, 10388116), (128, 5194058), (256, 2597029)]