259040068

素因数分解:

$2^2\times 7^2\times {\mathrm{1321633}}^1$

素因数の和:1321651

約数の個数: 18

約数和(自身を含む): 527331966

約数和(自身を除く): 268291898

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1321633, 2643266, 5286532, 9251431, 18502862, 37005724, 64760017, 129520034, 259040068]

約数ペア:

[(1, 259040068), (2, 129520034), (4, 64760017), (7, 37005724), (14, 18502862), (28, 9251431), (49, 5286532), (98, 2643266), (196, 1321633)]