28456972

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 51030000

約数和(自身を除く): 22573028

約数列:

[1, 2, 4, 53, 106, 212, 269, 499, 538, 998, 1076, 1996, 14257, 26447, 28514, 52894, 57028, 105788, 134231, 268462, 536924, 7114243, 14228486, 28456972]

約数ペア:

[(1, 28456972), (2, 14228486), (4, 7114243), (53, 536924), (106, 268462), (212, 134231), (269, 105788), (499, 57028), (538, 52894), (998, 28514), (1076, 26447), (1996, 14257)]