25863145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 14585879

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 197, 217, 341, 385, 605, 847, 985, 1085, 1379, 1705, 2167, 2387, 3751, 4235, 6107, 6895, 10835, 11935, 15169, 18755, 23837, 26257, 30535, 42749, 67177, 75845, 119185, 131285, 166859, 213745, 335885, 470239, 738947, 834295, 2351195, 3694735, 5172629, 25863145]

約数ペア:

[(1, 25863145), (5, 5172629), (7, 3694735), (11, 2351195), (31, 834295), (35, 738947), (55, 470239), (77, 335885), (121, 213745), (155, 166859), (197, 131285), (217, 119185), (341, 75845), (385, 67177), (605, 42749), (847, 30535), (985, 26257), (1085, 23837), (1379, 18755), (1705, 15169), (2167, 11935), (2387, 10835), (3751, 6895), (4235, 6107)]