290985814511

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{41280439}}^1$

素因数の和:41280518

約数の個数: 16

約数和(自身を含む): 356663001600

約数和(自身を除く): 65677187089

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 41280439, 288963073, 784328341, 2187863267, 5490298387, 15315042869, 41569402073, 290985814511]

約数ペア:

[(1, 290985814511), (7, 41569402073), (19, 15315042869), (53, 5490298387), (133, 2187863267), (371, 784328341), (1007, 288963073), (7049, 41280439)]