2990638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11243}}^1$

素因数の和:11271

約数の個数: 16

約数和(自身を含む): 5397120

約数和(自身を除く): 2406482

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 11243, 22486, 78701, 157402, 213617, 427234, 1495319, 2990638]

約数ペア:

[(1, 2990638), (2, 1495319), (7, 427234), (14, 213617), (19, 157402), (38, 78701), (133, 22486), (266, 11243)]