642405542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1\times {\mathrm{10429}}^1$

素因数の和:12071

約数の個数: 16

約数和(自身を含む): 1015047600

約数和(自身を除く): 372642058

約数列:

[1, 2, 19, 38, 1621, 3242, 10429, 20858, 30799, 61598, 198151, 396302, 16905409, 33810818, 321202771, 642405542]

約数ペア:

[(1, 642405542), (2, 321202771), (19, 33810818), (38, 16905409), (1621, 396302), (3242, 198151), (10429, 61598), (20858, 30799)]