1902051221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{461327}}^1$

素因数の和:461384

約数の個数: 16

約数和(自身を含む): 2361999360

約数和(自身を除く): 459948139

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 461327, 3229289, 8765213, 14301137, 61356491, 100107959, 271721603, 1902051221]

約数ペア:

[(1, 1902051221), (7, 271721603), (19, 100107959), (31, 61356491), (133, 14301137), (217, 8765213), (589, 3229289), (4123, 461327)]