1388348731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2729}}^1\times {\mathrm{6607}}^1$

素因数の和:9354

約数の個数: 16

約数和(自身を含む): 1731824640

約数和(自身を除く): 343475909

約数列:

[1, 7, 11, 77, 2729, 6607, 19103, 30019, 46249, 72677, 210133, 508739, 18030503, 126213521, 198335533, 1388348731]

約数ペア:

[(1, 1388348731), (7, 198335533), (11, 126213521), (77, 18030503), (2729, 508739), (6607, 210133), (19103, 72677), (30019, 46249)]