28286573

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 36169920

約数和(自身を除く): 7883347

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 931, 1127, 1321, 3059, 9247, 21413, 25099, 30383, 64729, 175693, 212681, 577277, 1229851, 1488767, 4040939, 28286573]

約数ペア:

[(1, 28286573), (7, 4040939), (19, 1488767), (23, 1229851), (49, 577277), (133, 212681), (161, 175693), (437, 64729), (931, 30383), (1127, 25099), (1321, 21413), (3059, 9247)]