1221808

素因数分解:

$2^4\times 7^1\times {\mathrm{10909}}^1$

素因数の和:10924

約数の個数: 20

約数和(自身を含む): 2705680

約数和(自身を除く): 1483872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10909, 21818, 43636, 76363, 87272, 152726, 174544, 305452, 610904, 1221808]

約数ペア:

[(1, 1221808), (2, 610904), (4, 305452), (7, 174544), (8, 152726), (14, 87272), (16, 76363), (28, 43636), (56, 21818), (112, 10909)]