256927006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4903}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 466076160

約数和(自身を除く): 209149154

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 394, 1379, 2758, 3743, 4903, 7486, 9806, 26201, 34321, 52402, 68642, 93157, 186314, 652099, 965891, 1304198, 1931782, 6761237, 13522474, 18351929, 36703858, 128463503, 256927006]

約数ペア:

[(1, 256927006), (2, 128463503), (7, 36703858), (14, 18351929), (19, 13522474), (38, 6761237), (133, 1931782), (197, 1304198), (266, 965891), (394, 652099), (1379, 186314), (2758, 93157), (3743, 68642), (4903, 52402), (7486, 34321), (9806, 26201)]