31072195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 19523645

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 77, 115, 121, 145, 161, 203, 253, 319, 385, 605, 667, 805, 847, 1015, 1265, 1331, 1595, 1771, 2233, 2783, 3335, 3509, 4235, 4669, 6655, 7337, 8855, 9317, 11165, 13915, 17545, 19481, 23345, 24563, 30613, 36685, 38599, 46585, 51359, 80707, 97405, 122815, 153065, 192995, 214291, 256795, 270193, 403535, 564949, 887777, 1071455, 1350965, 2824745, 4438885, 6214439, 31072195]

約数ペア:

[(1, 31072195), (5, 6214439), (7, 4438885), (11, 2824745), (23, 1350965), (29, 1071455), (35, 887777), (55, 564949), (77, 403535), (115, 270193), (121, 256795), (145, 214291), (161, 192995), (203, 153065), (253, 122815), (319, 97405), (385, 80707), (605, 51359), (667, 46585), (805, 38599), (847, 36685), (1015, 30613), (1265, 24563), (1331, 23345), (1595, 19481), (1771, 17545), (2233, 13915), (2783, 11165), (3335, 9317), (3509, 8855), (4235, 7337), (4669, 6655)]