12957175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 20570112

約数和(自身を除く): 7612937

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 127, 175, 265, 275, 371, 385, 583, 635, 889, 1325, 1397, 1855, 1925, 2915, 3175, 4081, 4445, 6731, 6985, 9275, 9779, 14575, 20405, 22225, 33655, 34925, 47117, 48895, 74041, 102025, 168275, 235585, 244475, 370205, 518287, 1177925, 1851025, 2591435, 12957175]

約数ペア:

[(1, 12957175), (5, 2591435), (7, 1851025), (11, 1177925), (25, 518287), (35, 370205), (53, 244475), (55, 235585), (77, 168275), (127, 102025), (175, 74041), (265, 48895), (275, 47117), (371, 34925), (385, 33655), (583, 22225), (635, 20405), (889, 14575), (1325, 9779), (1397, 9275), (1855, 6985), (1925, 6731), (2915, 4445), (3175, 4081)]