678741248

素因数分解:

$2^8\times {\mathrm{2651333}}^1$

素因数の和:2651349

約数の個数: 18

約数和(自身を含む): 1354831674

約数和(自身を除く): 676090426

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2651333, 5302666, 10605332, 21210664, 42421328, 84842656, 169685312, 339370624, 678741248]

約数ペア:

[(1, 678741248), (2, 339370624), (4, 169685312), (8, 84842656), (16, 42421328), (32, 21210664), (64, 10605332), (128, 5302666), (256, 2651333)]