12277265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 20020224

約数和(自身を除く): 7742959

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 223, 385, 455, 605, 715, 847, 1001, 1115, 1561, 1573, 2453, 2899, 4235, 5005, 7805, 7865, 11011, 12265, 14495, 17171, 20293, 26983, 31889, 55055, 85855, 101465, 134915, 159445, 188881, 223223, 350779, 944405, 1116115, 1753895, 2455453, 12277265]

約数ペア:

[(1, 12277265), (5, 2455453), (7, 1753895), (11, 1116115), (13, 944405), (35, 350779), (55, 223223), (65, 188881), (77, 159445), (91, 134915), (121, 101465), (143, 85855), (223, 55055), (385, 31889), (455, 26983), (605, 20293), (715, 17171), (847, 14495), (1001, 12265), (1115, 11011), (1561, 7865), (1573, 7805), (2453, 5005), (2899, 4235)]