68725904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330413}}^1$

素因数の和:330434

約数の個数: 20

約数和(自身を含む): 143399676

約数和(自身を除く): 74673772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330413, 660826, 1321652, 2643304, 4295369, 5286608, 8590738, 17181476, 34362952, 68725904]

約数ペア:

[(1, 68725904), (2, 34362952), (4, 17181476), (8, 8590738), (13, 5286608), (16, 4295369), (26, 2643304), (52, 1321652), (104, 660826), (208, 330413)]