28191812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1427}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 53978400

約数和(自身を除く): 25786588

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1427, 1796, 2854, 4939, 5708, 9878, 15697, 19756, 31394, 62788, 640723, 1281446, 2562892, 7047953, 14095906, 28191812]

約数ペア:

[(1, 28191812), (2, 14095906), (4, 7047953), (11, 2562892), (22, 1281446), (44, 640723), (449, 62788), (898, 31394), (1427, 19756), (1796, 15697), (2854, 9878), (4939, 5708)]