17977883

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 5730277

約数列:

[1, 7, 11, 29, 77, 83, 97, 203, 319, 581, 679, 913, 1067, 2233, 2407, 2813, 6391, 7469, 8051, 16849, 19691, 26477, 30943, 56357, 88561, 185339, 216601, 233479, 619927, 1634353, 2568269, 17977883]

約数ペア:

[(1, 17977883), (7, 2568269), (11, 1634353), (29, 619927), (77, 233479), (83, 216601), (97, 185339), (203, 88561), (319, 56357), (581, 30943), (679, 26477), (913, 19691), (1067, 16849), (2233, 8051), (2407, 7469), (2813, 6391)]