28031003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 10579429

約数列:

[1, 7, 11, 13, 41, 77, 91, 143, 287, 451, 533, 683, 1001, 3157, 3731, 4781, 5863, 7513, 8879, 28003, 41041, 52591, 62153, 97669, 196021, 308033, 364039, 683683, 2156231, 2548273, 4004429, 28031003]

約数ペア:

[(1, 28031003), (7, 4004429), (11, 2548273), (13, 2156231), (41, 683683), (77, 364039), (91, 308033), (143, 196021), (287, 97669), (451, 62153), (533, 52591), (683, 41041), (1001, 28003), (3157, 8879), (3731, 7513), (4781, 5863)]