28784829

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 13349571

約数列:

[1, 3, 19, 41, 57, 109, 113, 123, 327, 339, 779, 2071, 2147, 2337, 4469, 4633, 6213, 6441, 12317, 13407, 13899, 36951, 84911, 88027, 234023, 254733, 264081, 504997, 702069, 1514991, 9594943, 28784829]

約数ペア:

[(1, 28784829), (3, 9594943), (19, 1514991), (41, 702069), (57, 504997), (109, 264081), (113, 254733), (123, 234023), (327, 88027), (339, 84911), (779, 36951), (2071, 13899), (2147, 13407), (2337, 12317), (4469, 6441), (4633, 6213)]