28507087

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 35661600

約数和(自身を除く): 7154513

約数列:

[1, 7, 19, 29, 133, 203, 361, 389, 551, 2527, 2723, 3857, 7391, 10469, 11281, 51737, 73283, 78967, 140429, 214339, 983003, 1500373, 4072441, 28507087]

約数ペア:

[(1, 28507087), (7, 4072441), (19, 1500373), (29, 983003), (133, 214339), (203, 140429), (361, 78967), (389, 73283), (551, 51737), (2527, 11281), (2723, 10469), (3857, 7391)]