197880131519

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4492069}}^1$

素因数の和:4492143

約数の個数: 24

約数和(自身を含む): 245806070400

約数和(自身を除く): 47925938881

約数列:

[1, 7, 29, 31, 49, 203, 217, 899, 1421, 1519, 6293, 44051, 4492069, 31444483, 130270001, 139254139, 220111381, 911890007, 974778973, 4038370031, 6383230049, 6823452811, 28268590217, 197880131519]

約数ペア:

[(1, 197880131519), (7, 28268590217), (29, 6823452811), (31, 6383230049), (49, 4038370031), (203, 974778973), (217, 911890007), (899, 220111381), (1421, 139254139), (1519, 130270001), (6293, 31444483), (44051, 4492069)]