28789124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 62563200

約数和(自身を除く): 33774076

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 569, 973, 1138, 1807, 1946, 2276, 3614, 3892, 3983, 7228, 7397, 7966, 12649, 14794, 15932, 25298, 29588, 50596, 51779, 79091, 103558, 158182, 207116, 316364, 553637, 1028183, 1107274, 2056366, 2214548, 4112732, 7197281, 14394562, 28789124]

約数ペア:

[(1, 28789124), (2, 14394562), (4, 7197281), (7, 4112732), (13, 2214548), (14, 2056366), (26, 1107274), (28, 1028183), (52, 553637), (91, 316364), (139, 207116), (182, 158182), (278, 103558), (364, 79091), (556, 51779), (569, 50596), (973, 29588), (1138, 25298), (1807, 15932), (1946, 14794), (2276, 12649), (3614, 7966), (3892, 7397), (3983, 7228)]