28211148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111949}}^1$

素因数の和:111966

約数の個数: 36

約数和(自身を含む): 81499600

約数和(自身を除く): 53288452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111949, 223898, 335847, 447796, 671694, 783643, 1007541, 1343388, 1567286, 2015082, 2350929, 3134572, 4030164, 4701858, 7052787, 9403716, 14105574, 28211148]

約数ペア:

[(1, 28211148), (2, 14105574), (3, 9403716), (4, 7052787), (6, 4701858), (7, 4030164), (9, 3134572), (12, 2350929), (14, 2015082), (18, 1567286), (21, 1343388), (28, 1007541), (36, 783643), (42, 671694), (63, 447796), (84, 335847), (126, 223898), (252, 111949)]