1639448488

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{420803}}^1$

素因数の和:421296

約数の個数: 16

約数和(自身を含む): 3080285280

約数和(自身を除く): 1440836792

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 420803, 841606, 1683212, 3366424, 204931061, 409862122, 819724244, 1639448488]

約数ペア:

[(1, 1639448488), (2, 819724244), (4, 409862122), (8, 204931061), (487, 3366424), (974, 1683212), (1948, 841606), (3896, 420803)]