28495188

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1231}}^1$

素因数の和:1884

約数の個数: 36

約数和(自身を含む): 72200128

約数和(自身を除く): 43704940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1231, 1286, 1929, 2462, 2572, 3693, 3858, 4924, 5787, 7386, 7716, 11079, 11574, 14772, 22158, 23148, 44316, 791533, 1583066, 2374599, 3166132, 4749198, 7123797, 9498396, 14247594, 28495188]

約数ペア:

[(1, 28495188), (2, 14247594), (3, 9498396), (4, 7123797), (6, 4749198), (9, 3166132), (12, 2374599), (18, 1583066), (36, 791533), (643, 44316), (1231, 23148), (1286, 22158), (1929, 14772), (2462, 11574), (2572, 11079), (3693, 7716), (3858, 7386), (4924, 5787)]