208023856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{684289}}^1$

素因数の和:684316

約数の個数: 20

約数和(自身を含む): 424259800

約数和(自身を除く): 216235944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 684289, 1368578, 2737156, 5474312, 10948624, 13001491, 26002982, 52005964, 104011928, 208023856]

約数ペア:

[(1, 208023856), (2, 104011928), (4, 52005964), (8, 26002982), (16, 13001491), (19, 10948624), (38, 5474312), (76, 2737156), (152, 1368578), (304, 684289)]