135220988

素因数分解:

$2^2\times 7^2\times {\mathrm{689903}}^1$

素因数の和:689921

約数の個数: 18

約数和(自身を含む): 275271696

約数和(自身を除く): 140050708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 689903, 1379806, 2759612, 4829321, 9658642, 19317284, 33805247, 67610494, 135220988]

約数ペア:

[(1, 135220988), (2, 67610494), (4, 33805247), (7, 19317284), (14, 9658642), (28, 4829321), (49, 2759612), (98, 1379806), (196, 689903)]