217746692

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{133097}}^1$

素因数の和:133510

約数の個数: 12

約数和(自身を含む): 381991260

約数和(自身を除く): 164244568

約数列:

[1, 2, 4, 409, 818, 1636, 133097, 266194, 532388, 54436673, 108873346, 217746692]

約数ペア:

[(1, 217746692), (2, 108873346), (4, 54436673), (409, 532388), (818, 266194), (1636, 133097)]