1290499

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 1607680

約数和(自身を除く): 317181

約数列:

[1, 7, 19, 31, 133, 217, 313, 589, 2191, 4123, 5947, 9703, 41629, 67921, 184357, 1290499]

約数ペア:

[(1, 1290499), (7, 184357), (19, 67921), (31, 41629), (133, 9703), (217, 5947), (313, 4123), (589, 2191)]