28245721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2447}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 34546176

約数和(自身を除く): 6300455

約数列:

[1, 7, 17, 97, 119, 679, 1649, 2447, 11543, 17129, 41599, 237359, 291193, 1661513, 4035103, 28245721]

約数ペア:

[(1, 28245721), (7, 4035103), (17, 1661513), (97, 291193), (119, 237359), (679, 41599), (1649, 17129), (2447, 11543)]