28507388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78317}}^1$

素因数の和:78341

約数の個数: 24

約数和(自身を含む): 61401312

約数和(自身を除く): 32893924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78317, 156634, 313268, 548219, 1018121, 1096438, 2036242, 2192876, 4072484, 7126847, 14253694, 28507388]

約数ペア:

[(1, 28507388), (2, 14253694), (4, 7126847), (7, 4072484), (13, 2192876), (14, 2036242), (26, 1096438), (28, 1018121), (52, 548219), (91, 313268), (182, 156634), (364, 78317)]