64628272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212593}}^1$

素因数の和:212620

約数の個数: 20

約数和(自身を含む): 131808280

約数和(自身を除く): 67180008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212593, 425186, 850372, 1700744, 3401488, 4039267, 8078534, 16157068, 32314136, 64628272]

約数ペア:

[(1, 64628272), (2, 32314136), (4, 16157068), (8, 8078534), (16, 4039267), (19, 3401488), (38, 1700744), (76, 850372), (152, 425186), (304, 212593)]