28707628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2143}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 53488512

約数和(自身を除く): 24780884

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 2143, 3349, 4286, 6698, 8572, 13396, 36431, 72862, 145724, 422171, 844342, 1688684, 7176907, 14353814, 28707628]

約数ペア:

[(1, 28707628), (2, 14353814), (4, 7176907), (17, 1688684), (34, 844342), (68, 422171), (197, 145724), (394, 72862), (788, 36431), (2143, 13396), (3349, 8572), (4286, 6698)]