149845904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{720413}}^1$

素因数の和:720434

約数の個数: 20

約数和(自身を含む): 312659676

約数和(自身を除く): 162813772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 720413, 1440826, 2881652, 5763304, 9365369, 11526608, 18730738, 37461476, 74922952, 149845904]

約数ペア:

[(1, 149845904), (2, 74922952), (4, 37461476), (8, 18730738), (13, 11526608), (16, 9365369), (26, 5763304), (52, 2881652), (104, 1440826), (208, 720413)]