28504091

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 36376032

約数和(自身を除く): 7871941

約数列:

[1, 7, 11, 73, 77, 121, 461, 511, 803, 847, 3227, 5071, 5621, 8833, 33653, 35497, 55781, 61831, 235571, 370183, 390467, 2591281, 4072013, 28504091]

約数ペア:

[(1, 28504091), (7, 4072013), (11, 2591281), (73, 390467), (77, 370183), (121, 235571), (461, 61831), (511, 55781), (803, 35497), (847, 33653), (3227, 8833), (5071, 5621)]