31427935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 17371361

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 121, 181, 205, 287, 385, 451, 605, 847, 905, 1267, 1435, 1991, 2255, 3157, 4235, 4961, 6335, 7421, 9955, 13937, 15785, 21901, 24805, 34727, 37105, 51947, 69685, 81631, 109505, 153307, 173635, 259735, 408155, 571417, 766535, 897941, 2857085, 4489705, 6285587, 31427935]

約数ペア:

[(1, 31427935), (5, 6285587), (7, 4489705), (11, 2857085), (35, 897941), (41, 766535), (55, 571417), (77, 408155), (121, 259735), (181, 173635), (205, 153307), (287, 109505), (385, 81631), (451, 69685), (605, 51947), (847, 37105), (905, 34727), (1267, 24805), (1435, 21901), (1991, 15785), (2255, 13937), (3157, 9955), (4235, 7421), (4961, 6335)]