55780417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 75423744

約数和(自身を除く): 19643327

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 301, 473, 731, 991, 1309, 3311, 5117, 6937, 8041, 10901, 16847, 42613, 56287, 76307, 117929, 185317, 298291, 468743, 724421, 1297219, 3281201, 5070947, 7968631, 55780417]

約数ペア:

[(1, 55780417), (7, 7968631), (11, 5070947), (17, 3281201), (43, 1297219), (77, 724421), (119, 468743), (187, 298291), (301, 185317), (473, 117929), (731, 76307), (991, 56287), (1309, 42613), (3311, 16847), (5117, 10901), (6937, 8041)]