647959216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2382203}}^1$

素因数の和:2382228

約数の個数: 20

約数和(自身を含む): 1329269832

約数和(自身を除く): 681310616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2382203, 4764406, 9528812, 19057624, 38115248, 40497451, 80994902, 161989804, 323979608, 647959216]

約数ペア:

[(1, 647959216), (2, 323979608), (4, 161989804), (8, 80994902), (16, 40497451), (17, 38115248), (34, 19057624), (68, 9528812), (136, 4764406), (272, 2382203)]