28488733

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16477}}^1$

素因数の和:16516

約数の個数: 16

約数和(自身を含む): 36910720

約数和(自身を除く): 8421987

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16477, 115339, 214201, 313063, 1499407, 2191441, 4069819, 28488733]

約数ペア:

[(1, 28488733), (7, 4069819), (13, 2191441), (19, 1499407), (91, 313063), (133, 214201), (247, 115339), (1729, 16477)]