426781648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1403887}}^1$

素因数の和:1403914

約数の個数: 20

約数和(自身を含む): 870410560

約数和(自身を除く): 443628912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1403887, 2807774, 5615548, 11231096, 22462192, 26673853, 53347706, 106695412, 213390824, 426781648]

約数ペア:

[(1, 426781648), (2, 213390824), (4, 106695412), (8, 53347706), (16, 26673853), (19, 22462192), (38, 11231096), (76, 5615548), (152, 2807774), (304, 1403887)]