28237307

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 33964032

約数和(自身を除く): 5726725

約数列:

[1, 7, 23, 127, 161, 889, 1381, 2921, 9667, 20447, 31763, 175387, 222341, 1227709, 4033901, 28237307]

約数ペア:

[(1, 28237307), (7, 4033901), (23, 1227709), (127, 222341), (161, 175387), (889, 31763), (1381, 20447), (2921, 9667)]