28241748

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1787}}^1$

素因数の和:2236

約数の個数: 36

約数和(自身を含む): 71591520

約数和(自身を除く): 43349772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 1787, 2634, 3574, 3951, 5268, 5361, 7148, 7902, 10722, 15804, 16083, 21444, 32166, 64332, 784493, 1568986, 2353479, 3137972, 4706958, 7060437, 9413916, 14120874, 28241748]

約数ペア:

[(1, 28241748), (2, 14120874), (3, 9413916), (4, 7060437), (6, 4706958), (9, 3137972), (12, 2353479), (18, 1568986), (36, 784493), (439, 64332), (878, 32166), (1317, 21444), (1756, 16083), (1787, 15804), (2634, 10722), (3574, 7902), (3951, 7148), (5268, 5361)]