28343029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 7582091

約数列:

[1, 11, 13, 17, 89, 131, 143, 187, 221, 979, 1157, 1441, 1513, 1703, 2227, 2431, 11659, 12727, 16643, 18733, 19669, 24497, 28951, 128249, 151567, 198203, 216359, 318461, 1667237, 2180233, 2576639, 28343029]

約数ペア:

[(1, 28343029), (11, 2576639), (13, 2180233), (17, 1667237), (89, 318461), (131, 216359), (143, 198203), (187, 151567), (221, 128249), (979, 28951), (1157, 24497), (1441, 19669), (1513, 18733), (1703, 16643), (2227, 12727), (2431, 11659)]