208020175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{68767}}^1$

素因数の和:68799

約数の個数: 18

約数和(自身を含む): 283530464

約数和(自身を除く): 75510289

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 68767, 343835, 756437, 1719175, 3782185, 8320807, 18910925, 41604035, 208020175]

約数ペア:

[(1, 208020175), (5, 41604035), (11, 18910925), (25, 8320807), (55, 3782185), (121, 1719175), (275, 756437), (605, 343835), (3025, 68767)]