1377884921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{280001}}^1$

素因数の和:280064

約数の個数: 16

約数和(自身を含む): 1702412160

約数和(自身を除く): 324527239

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 280001, 1960007, 5320019, 10360037, 37240133, 72520259, 196840703, 1377884921]

約数ペア:

[(1, 1377884921), (7, 196840703), (19, 72520259), (37, 37240133), (133, 10360037), (259, 5320019), (703, 1960007), (4921, 280001)]