409845904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1970413}}^1$

素因数の和:1970434

約数の個数: 20

約数和(自身を含む): 855159676

約数和(自身を除く): 445313772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1970413, 3940826, 7881652, 15763304, 25615369, 31526608, 51230738, 102461476, 204922952, 409845904]

約数ペア:

[(1, 409845904), (2, 204922952), (4, 102461476), (8, 51230738), (13, 31526608), (16, 25615369), (26, 15763304), (52, 7881652), (104, 3940826), (208, 1970413)]