1990421596

素因数分解:

$2^2\times {\mathrm{487}}^1\times {\mathrm{1021777}}^1$

素因数の和:1022268

約数の個数: 12

約数和(自身を含む): 3490393648

約数和(自身を除く): 1499972052

約数列:

[1, 2, 4, 487, 974, 1948, 1021777, 2043554, 4087108, 497605399, 995210798, 1990421596]

約数ペア:

[(1, 1990421596), (2, 995210798), (4, 497605399), (487, 4087108), (974, 2043554), (1948, 1021777)]