28569128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 65560320

約数和(自身を除く): 36991192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 82, 92, 161, 164, 184, 287, 322, 328, 541, 574, 644, 943, 1082, 1148, 1288, 1886, 2164, 2296, 3772, 3787, 4328, 6601, 7544, 7574, 12443, 13202, 15148, 22181, 24886, 26404, 30296, 44362, 49772, 52808, 87101, 88724, 99544, 155267, 174202, 177448, 310534, 348404, 510163, 621068, 696808, 1020326, 1242136, 2040652, 3571141, 4081304, 7142282, 14284564, 28569128]

約数ペア:

[(1, 28569128), (2, 14284564), (4, 7142282), (7, 4081304), (8, 3571141), (14, 2040652), (23, 1242136), (28, 1020326), (41, 696808), (46, 621068), (56, 510163), (82, 348404), (92, 310534), (161, 177448), (164, 174202), (184, 155267), (287, 99544), (322, 88724), (328, 87101), (541, 52808), (574, 49772), (644, 44362), (943, 30296), (1082, 26404), (1148, 24886), (1288, 22181), (1886, 15148), (2164, 13202), (2296, 12443), (3772, 7574), (3787, 7544), (4328, 6601)]