4390001

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 5668992

約数和(自身を除く): 1278991

約数列:

[1, 7, 11, 71, 73, 77, 121, 497, 511, 781, 803, 847, 5183, 5467, 5621, 8591, 8833, 36281, 57013, 60137, 61831, 399091, 627143, 4390001]

約数ペア:

[(1, 4390001), (7, 627143), (11, 399091), (71, 61831), (73, 60137), (77, 57013), (121, 36281), (497, 8833), (511, 8591), (781, 5621), (803, 5467), (847, 5183)]