26913425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 44330496

約数和(自身を除く): 17417071

約数列:

[1, 5, 7, 11, 25, 31, 35, 41, 55, 77, 121, 155, 175, 205, 217, 275, 287, 341, 385, 451, 605, 775, 847, 1025, 1085, 1271, 1435, 1705, 1925, 2255, 2387, 3025, 3157, 3751, 4235, 4961, 5425, 6355, 7175, 8525, 8897, 11275, 11935, 13981, 15785, 18755, 21175, 24805, 26257, 31775, 34727, 44485, 59675, 69905, 78925, 93775, 97867, 124025, 131285, 153791, 173635, 222425, 349525, 489335, 656425, 768955, 868175, 1076537, 2446675, 3844775, 5382685, 26913425]

約数ペア:

[(1, 26913425), (5, 5382685), (7, 3844775), (11, 2446675), (25, 1076537), (31, 868175), (35, 768955), (41, 656425), (55, 489335), (77, 349525), (121, 222425), (155, 173635), (175, 153791), (205, 131285), (217, 124025), (275, 97867), (287, 93775), (341, 78925), (385, 69905), (451, 59675), (605, 44485), (775, 34727), (847, 31775), (1025, 26257), (1085, 24805), (1271, 21175), (1435, 18755), (1705, 15785), (1925, 13981), (2255, 11935), (2387, 11275), (3025, 8897), (3157, 8525), (3751, 7175), (4235, 6355), (4961, 5425)]