28996513

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 36354048

約数和(自身を除く): 7357535

約数列:

[1, 7, 13, 91, 127, 169, 193, 889, 1183, 1351, 1651, 2509, 11557, 17563, 21463, 24511, 32617, 150241, 171577, 228319, 318643, 2230501, 4142359, 28996513]

約数ペア:

[(1, 28996513), (7, 4142359), (13, 2230501), (91, 318643), (127, 228319), (169, 171577), (193, 150241), (889, 32617), (1183, 24511), (1351, 21463), (1651, 17563), (2509, 11557)]