129417428

素因数分解:

$2^2\times 7^2\times {\mathrm{787}}^1\times {\mathrm{839}}^1$

素因数の和:1644

約数の個数: 36

約数和(自身を含む): 264106080

約数和(自身を除く): 134688652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 787, 839, 1574, 1678, 3148, 3356, 5509, 5873, 11018, 11746, 22036, 23492, 38563, 41111, 77126, 82222, 154252, 164444, 660293, 1320586, 2641172, 4622051, 9244102, 18488204, 32354357, 64708714, 129417428]

約数ペア:

[(1, 129417428), (2, 64708714), (4, 32354357), (7, 18488204), (14, 9244102), (28, 4622051), (49, 2641172), (98, 1320586), (196, 660293), (787, 164444), (839, 154252), (1574, 82222), (1678, 77126), (3148, 41111), (3356, 38563), (5509, 23492), (5873, 22036), (11018, 11746)]