28400974

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25679}}^1$

素因数の和:25767

約数の個数: 16

約数和(自身を含む): 49305600

約数和(自身を除く): 20904626

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 25679, 51358, 179753, 359506, 2028641, 4057282, 14200487, 28400974]

約数ペア:

[(1, 28400974), (2, 14200487), (7, 4057282), (14, 2028641), (79, 359506), (158, 179753), (553, 51358), (1106, 25679)]