3991571.00000000

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2621}}^1$

素因数の和:3132

約数の個数: 20

約数和(自身を含む): 40966128

約数和(自身を除く): 19872320

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2621, 4024, 5242, 8048, 10484, 20968, 41936, 1318363, 2636726, 5273452, 10546904, 21093808]

約数ペア:

[(1, 21093808), (2, 10546904), (4, 5273452), (8, 2636726), (16, 1318363), (503, 41936), (1006, 20968), (2012, 10484), (2621, 8048), (4024, 5242)]