131104988

素因数分解:

$2^2\times 7^2\times {\mathrm{668903}}^1$

素因数の和:668921

約数の個数: 18

約数和(自身を含む): 266892696

約数和(自身を除く): 135787708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 668903, 1337806, 2675612, 4682321, 9364642, 18729284, 32776247, 65552494, 131104988]

約数ペア:

[(1, 131104988), (2, 65552494), (4, 32776247), (7, 18729284), (14, 9364642), (28, 4682321), (49, 2675612), (98, 1337806), (196, 668903)]