28698566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 24

約数和(自身を含む): 46959264

約数和(自身を除く): 18260698

約数列:

[1, 2, 13, 26, 169, 197, 338, 394, 431, 862, 2561, 5122, 5603, 11206, 33293, 66586, 72839, 84907, 145678, 169814, 1103791, 2207582, 14349283, 28698566]

約数ペア:

[(1, 28698566), (2, 14349283), (13, 2207582), (26, 1103791), (169, 169814), (197, 145678), (338, 84907), (394, 72839), (431, 66586), (862, 33293), (2561, 11206), (5122, 5603)]