4138561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 5295680

約数和(自身を除く): 1157119

約数列:

[1, 7, 19, 29, 37, 133, 203, 259, 551, 703, 841, 1073, 3857, 4921, 5887, 7511, 15979, 20387, 31117, 111853, 142709, 217819, 591223, 4138561]

約数ペア:

[(1, 4138561), (7, 591223), (19, 217819), (29, 142709), (37, 111853), (133, 31117), (203, 20387), (259, 15979), (551, 7511), (703, 5887), (841, 4921), (1073, 3857)]