2561968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{9419}}^1$

素因数の和:9444

約数の個数: 20

約数和(自身を含む): 5256360

約数和(自身を除く): 2694392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 9419, 18838, 37676, 75352, 150704, 160123, 320246, 640492, 1280984, 2561968]

約数ペア:

[(1, 2561968), (2, 1280984), (4, 640492), (8, 320246), (16, 160123), (17, 150704), (34, 75352), (68, 37676), (136, 18838), (272, 9419)]