664753024

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{399491}}^1$

素因数の和:399518

約数の個数: 32

約数和(自身を含む): 1426186440

約数和(自身を除く): 761433416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 399491, 798982, 1597964, 3195928, 5193383, 6391856, 10386766, 12783712, 20773532, 25567424, 41547064, 51134848, 83094128, 166188256, 332376512, 664753024]

約数ペア:

[(1, 664753024), (2, 332376512), (4, 166188256), (8, 83094128), (13, 51134848), (16, 41547064), (26, 25567424), (32, 20773532), (52, 12783712), (64, 10386766), (104, 6391856), (128, 5193383), (208, 3195928), (416, 1597964), (832, 798982), (1664, 399491)]