678307856

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{120097}}^1$

素因数の和:120458

約数の個数: 20

約数和(自身を含む): 1317955452

約数和(自身を除く): 639647596

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 120097, 240194, 480388, 960776, 1921552, 42394241, 84788482, 169576964, 339153928, 678307856]

約数ペア:

[(1, 678307856), (2, 339153928), (4, 169576964), (8, 84788482), (16, 42394241), (353, 1921552), (706, 960776), (1412, 480388), (2824, 240194), (5648, 120097)]